build: bump the pip group in /docker with 4 updates

Bumps the pip group in /docker with 4 updates: [certifi](https://github.com/certifi/python-certifi), [charset-normalizer](https://github.com/jawah/charset_normalizer), [typer](https://github.com/fastapi/typer) and [typing-extensions](https://github.com/python/typing_extensions).


Updates `certifi` from 2026.5.20 to 2026.6.17
- [Commits](certifi/python-certifi@2026.05.20...2026.06.17)

Updates `charset-normalizer` from 3.4.7 to 3.4.9
- [Release notes](https://github.com/jawah/charset_normalizer/releases)
- [Changelog](https://github.com/jawah/charset_normalizer/blob/master/CHANGELOG.md)
- [Commits](jawah/charset_normalizer@3.4.7...3.4.9)

Updates `typer` from 0.26.7 to 0.26.8
- [Release notes](https://github.com/fastapi/typer/releases)
- [Changelog](https://github.com/fastapi/typer/blob/master/docs/release-notes.md)
- [Commits](fastapi/typer@0.26.7...0.26.8)

Updates `typing-extensions` from 4.15.0 to 4.16.0
- [Release notes](https://github.com/python/typing_extensions/releases)
- [Changelog](https://github.com/python/typing_extensions/blob/main/CHANGELOG.md)
- [Commits](python/typing_extensions@4.15.0...4.16.0)

---
updated-dependencies:
- dependency-name: certifi
  dependency-version: 2026.6.17
  dependency-type: indirect
  update-type: version-update:semver-minor
  dependency-group: pip
- dependency-name: charset-normalizer
  dependency-version: 3.4.9
  dependency-type: indirect
  update-type: version-update:semver-patch
  dependency-group: pip
- dependency-name: typer
  dependency-version: 0.26.8
  dependency-type: indirect
  update-type: version-update:semver-patch
  dependency-group: pip
- dependency-name: typing-extensions
  dependency-version: 4.16.0
  dependency-type: indirect
  update-type: version-update:semver-minor
  dependency-group: pip
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

docker/requirements.txt

@@ -12,9 +12,9 @@ annotated-types==0.7.0
     # via pydantic
 babel==2.18.0
     # via sphinx
-certifi==2026.5.20
+certifi==2026.6.17
     # via requests
-charset-normalizer==3.4.7
+charset-normalizer==3.4.9
     # via requests
 docutils==0.22.4
     # via
@@ -27,10 +27,10 @@ imagesize==2.0.0
     # via sphinx
 jinja2==3.1.6
     # via
-    #   -r docker/requirements.in
+    #   -r requirements.in
     #   sphinx
 lxml==6.1.1
-    # via -r docker/requirements.in
+    # via -r requirements.in
 markdown-it-py==4.2.0
     # via rich
 markupsafe==3.0.3
@@ -54,28 +54,28 @@ rich==15.0.0
 roman-numerals==4.1.0
     # via sphinx
 rstcheck==6.2.5
-    # via -r docker/requirements.in
+    # via -r requirements.in
 rstcheck-core @ git+https://github.com/StaticRocket/rstcheck-core.git@d935498cfc319d62fe2dde3012d81657510f0a90
     # via
-    #   -r docker/requirements.in
+    #   -r requirements.in
     #   rstcheck
 shellingham==1.5.4
     # via typer
 snowballstemmer==3.1.1
     # via sphinx
 sphinx==9.1.0
     # via
-    #   -r docker/requirements.in
+    #   -r requirements.in
     #   sphinx-copybutton
     #   sphinx-design
     #   sphinx-rtd-theme
     #   sphinxcontrib-jquery
 sphinx-copybutton==0.5.2
-    # via -r docker/requirements.in
+    # via -r requirements.in
 sphinx-design==0.7.0
-    # via -r docker/requirements.in
+    # via -r requirements.in
 sphinx-rtd-theme==3.1.0
-    # via -r docker/requirements.in
+    # via -r requirements.in
 sphinxcontrib-applehelp==2.0.0
     # via sphinx
 sphinxcontrib-devhelp==2.0.0
@@ -90,9 +90,9 @@ sphinxcontrib-qthelp==2.0.0
     # via sphinx
 sphinxcontrib-serializinghtml==2.0.0
     # via sphinx
-typer==0.26.7
+typer==0.26.8
     # via rstcheck
-typing-extensions==4.15.0
+typing-extensions==4.16.0
     # via
     #   pydantic
     #   pydantic-core