build(deps): bump actions/setup-python from 4.5.0 to 5.6.0

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 4.5.0 to 5.6.0.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v4.5.0...v5.6.0)

---
updated-dependencies:
- dependency-name: actions/setup-python
  dependency-version: 5.6.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -26,7 +26,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: Setup Python ${{ matrix.python }}
-        uses: actions/setup-python@v4.5.0
+        uses: actions/setup-python@v5.6.0
         with:
           python-version: ${{ matrix.python }}
       - uses: actions/[email protected]

.github/workflows/mutation-testing.yml

@@ -8,7 +8,7 @@ jobs:
     steps:
       - uses: actions/[email protected]
       - name: Setup Python
-        uses: actions/setup-python@v4.5.0
+        uses: actions/setup-python@v5.6.0
         with:
           python-version: 3.11
       - uses: actions/[email protected]