Bump actions/setup-python from 5.5.0 to 5.6.0 (#263)

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 5.5.0 to 5.6.0.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@8d9ed9a...a26af69)

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

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

Author: dependabot[bot]

.github/workflows/docs.yml

@@ -21,7 +21,7 @@ jobs:
           java-version: "21"
           distribution: "temurin"
       - name: Set up Python
-        uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55
+        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065
         with:
           python-version: "3.11"
       - name: Build documentation