build(deps): bump actions/setup-python from 4.7.1 to 5.0.0

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 4.7.1 to 5.0.0.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@65d7f2d...0a5c615)

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

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

.github/workflows/pymarkdownlnt.yml

@@ -19,7 +19,7 @@ jobs:
     name: Lint Markdown
     steps:
       - name: Set up Python
-        uses: actions/setup-python@65d7f2d534ac1bc67fcd62888c5f4f3d2cb2b236 # v4.7.1
+        uses: actions/setup-python@0a5c61591373683505ea898e09a3ea4f39ef2b9c # v5.0.0
         with:
           python-version: 3.9 #install the python needed
       - name: checkout repo content

.github/workflows/update_python_requirements.yml

@@ -23,7 +23,7 @@ jobs:
 
     - name: Set up Python
       if: ${{ github.actor == 'dependabot[bot]' }}
-      uses: actions/setup-python@65d7f2d534ac1bc67fcd62888c5f4f3d2cb2b236 # v4.7.1
+      uses: actions/setup-python@0a5c61591373683505ea898e09a3ea4f39ef2b9c # v5.0.0
       with:
           python-version: '3.11'