build(deps-dev): bump packaging from 26.0 to 26.1

[dependabot]

Bumps packaging from 26.0 to 26.1.

Release notes

Sourced from packaging's releases.

26.1

Features:

• PEP 783: add handling for Emscripten wheel tags by @​hoodmane in pypa/packaging#804 (old name used in implementation, will be fixed in next release)
• PEP 803: add handling for the abi3.abi3t free-threading tag by @​ngoldbaum in pypa/packaging#1099
• PEP 723: add packaging.dependency_groups module, based on the dependency-groups package by @​sirosen in pypa/packaging#1065
• Add the packaging.direct_url module by @​sbidoul in pypa/packaging#944
• Add the packaging.errors module by @​henryiii in pypa/packaging#1071
• Add SpecifierSet.is_unsatisfiable using ranges (new internals that will be expanded in future versions) by @​notatallshaw in pypa/packaging#1119
• Add create_compatible_tags_selector to select compatible tags by @​sbidoul in pypa/packaging#1110
• Add a key argument to SpecifierSet.filter() by @​frostming in pypa/packaging#1068
• Support & and | for Marker's by @​henryiii in pypa/packaging#1146
• Normalize Version.__replace__ and add Version.from_parts by @​henryiii in pypa/packaging#1078
• Add an option to validate compressed tag set sort order in parse_wheel_filename by @​r266-tech in pypa/packaging#1150

Behavior adaptations:

• Narrow exclusion of pre-releases for <V.postN to match spec by @​notatallshaw in pypa/packaging#1140
• Narrow exclusion of post-releases for >V to match spec by @​notatallshaw in pypa/packaging#1141
• Rename format_full_version to _format_full_version to make it visibly private by @​r266-tech in pypa/packaging#1125
• Restrict local version to ASCII by @​henryiii in pypa/packaging#1102

Pylock (PEP 751) updates:

• Add pylock select function by @​sbidoul in pypa/packaging#1092
• Document pylock select() method and PylockSelectError by @​r266-tech in pypa/packaging#1153
• Add filename property to PackageSdist and PackageWheel, more validation by @​sbidoul in pypa/packaging#1095
• Give preference to path over url by @​sbidoul in pypa/packaging#1128
• Validate name/version consistency in file names by @​sbidoul in pypa/packaging#1114

Fixes:

• Fix > comparison for versions with dev+local segments by @​veeceey in pypa/packaging#1097
• Fix incorrect self-comparison for InfinityType and NegativeInfinityType by @​bysiber in pypa/packaging#1093
• Canonicalize when deduplicating specifiers in SpecifierSet by @​notatallshaw in pypa/packaging#1109
• Fix charset error message formatting by @​notatallshaw in pypa/packaging#1121
• Handle the key parameter in SpecifierSet.filter when specifiers are empty and prerelease is False by @​notatallshaw in pypa/packaging#1096
• Standardize inner components of repr output by @​henryiii in pypa/packaging#1090
• Specifier's === uses original string, not normalized, when available by @​notatallshaw in pypa/packaging#1124
• Propagate int-max-str-digits ValueError by @​notatallshaw in pypa/packaging#1155

Performance:

• Add fast path for parsing simple versions (digits and dots only) by @​notatallshaw in pypa/packaging#1082
• Add fast path for Version to Version comparison by skipping _key property by @​notatallshaw in pypa/packaging#1083
• Cache Version hash value in dedicated slot by @​notatallshaw in pypa/packaging#1118
• Overhaul _cmpkey to remove use of custom objects by @​notatallshaw in pypa/packaging#1116
• Skip __replace__ in Specifier comparison if not needed by @​notatallshaw in pypa/packaging#1081
• SpecifierSet use tuple instead of frozenset for _specs by @​notatallshaw in pypa/packaging#1108
• Speed up complex SpecifierSet filtering by implementing cost-based ordering by @​notatallshaw in pypa/packaging#1105

... (truncated)

Changelog

Sourced from packaging's changelog.

26.1 - 2026-04-14

Features:

PEP 783: add handling for Emscripten wheel tags in (:pull:804)
PEP 803: add handling for the abi3.abi3t free-threading tag in (:pull:1099)
PEP 723: add packaging.dependency_groups module, based on the dependency-groups package in (:pull:1065)
Add the packaging.direct_url module in (:pull:944)
Add the packaging.errors module in (:pull:1071)
Add SpecifierSet.is_unsatisfiable using ranges (new internals that will be expanded in future versions) in (:pull:1119)
Add create_compatible_tags_selector to select compatible tags in (:pull:1110)
Add a key argument to SpecifierSet.filter() in (:pull:1068)
Support & and | for Marker's in (:pull:1146)
Normalize Version.__replace__ and add Version.from_parts in (:pull:1078)
Add an option to validate compressed tag set sort order in parse_wheel_filename in (:pull:1150)

Behavior adaptations:

Narrow exclusion of pre-releases for <V.postN to match spec in (:pull:1140)
Narrow exclusion of post-releases for >V to match spec in (:pull:1141)
Rename format_full_version to _format_full_version to make it visibly private in (:pull:1125)
Restrict local version to ASCII in (:pull:1102)

Pylock (PEP 751) updates:

Add pylock select function in (:pull:1092)
Document pylock select() method and PylockSelectError in (:pull:1153)
Add filename property to PackageSdist and PackageWheel, more validation in (:pull:1095)
Give preference to path over url in (:pull:1128)
Validate name/version consistency in file names in (:pull:1114)

Fixes:

Fix > comparison for versions with dev+local segments in (:pull:1097)
Fix incorrect self-comparison for InfinityType and NegativeInfinityType in (:pull:1093)
Canonicalize when deduplicating specifiers in SpecifierSet in (:pull:1109)
Fix charset error message formatting in (:pull:1121)
Handle the key parameter in SpecifierSet.filter when specifiers are empty and prerelease is False in (:pull:1096)
Standardize inner components of repr output in (:pull:1090)
Specifier's === uses original string, not normalized, when available in (:pull:1124)
Propagate int-max-str-digits ValueError in (:pull:1155)

Performance:

Add fast path for parsing simple versions (digits and dots only) in (:pull:1082)
Add fast path for Version to Version comparison by skipping _key property in (:pull:1083)
Cache Version hash value in dedicated slot in (:pull:1118)
Overhaul _cmpkey to remove use of custom objects in (:pull:1116)
Skip __replace__ in Specifier comparison if not needed in (:pull:1081)

</tr></table>

... (truncated)

Commits

• c1a88a3 Bump for release
• 702c25e docs: update changelog for 26.1 (#1156)
• 3f4f5d4 Implement is_unsatisfiable on SpecifierSet using ranges (#1119)
• 06c6555 Propagate int-max-str-digits ValueError (#1155)
• 905c90c feat: option to validate compressed tag set sort order in `parse_wheel_filena...
• af0026c docs(pylock): document select() method and PylockSelectError (#1153)
• 668da86 Rename format_full_version to _format_full_version to make it visibly private...
• f294d52 tests: do not reload the tags module (#1152)
• 2c6c7df feat: add handling for Emscripten wheels tags per PEP 783 (#804)
• 6762eea docs(markers): document & and | operators for combining Marker objects (#1151)
• Additional commits viewable in compare view

[github-actions]

Test Results

     4 files  ±0       4 suites  ±0   42m 5s ⏱️ +32s
 3 575 tests ±0   3 573 ✅ ±0   2 💤 ±0  0 ❌ ±0 
14 092 runs  ±0  14 069 ✅ +1  23 💤  - 1  0 ❌ ±0 

Results for commit 8b39869. ± Comparison against base commit c332e27.

♻️ This comment has been updated with latest results.

[github-actions]

☂️ Python Coverage

current status: ✅

Overall Coverage

Lines	Covered	Coverage	Threshold	Status
12401	11694	94%	89%	🟢

New Files

No new covered files...

Modified Files

No covered modified files...

updated for commit: 8b39869 by action🐍

[coveralls]

Coverage Report for CI Build 24720874838

Coverage remained the same at 94.979%

Details

• Coverage remained the same as the base build.
• Patch coverage: No coverable lines changed in this PR.
• No coverage regressions found.

Uncovered Changes

No uncovered changes found.

Coverage Regressions

No coverage regressions found.

---

Coverage Stats

Relevant Lines:	12946
Covered Lines:	12296
Line Coverage:	94.98%
Relevant Branches:	2122
Covered Branches:	2060
Branch Coverage:	97.08%
Branches in Coverage %:	No
Coverage Strength:	3.58 hits per line

---

💛 - Coveralls

[dependabot]

Superseded by #1568.