Bump actions/setup-python from 5 to 6 in the github-actions group

Bumps the github-actions group with 1 update: [actions/setup-python](https://github.com/actions/setup-python).


Updates `actions/setup-python` from 5 to 6
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](https://github.com/actions/setup-python/compare/v5...v6)

---
updated-dependencies:
- dependency-name: actions/setup-python
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
...

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

.github/workflows/main.yml

@@ -23,7 +23,7 @@ jobs:
     steps:
     - uses: actions/checkout@v5
 
-    - uses: actions/setup-python@v5
+    - uses: actions/setup-python@v6
       with:
         python-version: ${{ matrix.python-version }}
         cache: 'pip'
@@ -54,7 +54,7 @@ jobs:
     steps:
     - uses: actions/checkout@v5
 
-    - uses: actions/setup-python@v5
+    - uses: actions/setup-python@v6
       with:
         python-version: '3.9'
 

.github/workflows/mkdocs-deploy.yml

@@ -22,7 +22,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - run: git fetch --no-tags --prune --depth=1 origin gh-pages
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: 3.x
       - run: pip install -r requirements/requirements-documentation.txt

.github/workflows/pre-commit.yml

@@ -15,7 +15,7 @@ jobs:
         with:
           fetch-depth: 0
 
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: "3.10"