Bump packaging from 26.1 to 26.2 in /scripts in the testing group (#601)

Bumps the testing group in /scripts with 1 update: [packaging](https://github.com/pypa/packaging).


Updates `packaging` from 26.1 to 26.2
- [Release notes](https://github.com/pypa/packaging/releases)
- [Changelog](https://github.com/pypa/packaging/blob/main/CHANGELOG.rst)
- [Commits](pypa/packaging@26.1...26.2)

---
updated-dependencies:
- dependency-name: packaging
  dependency-version: '26.2'
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: testing
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

scripts/requirements.txt

@@ -9,7 +9,7 @@ idna==3.13
 iniconfig==2.3.0
 mako==1.3.11
 MarkupSafe==3.0.3
-packaging==26.1
+packaging==26.2
 parse==1.21.1
 parse-type==0.6.6
 pluggy==1.6.0