Bump actions/setup-python from 5.2.0 to 5.3.0

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 5.2.0 to 5.3.0.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v5.2.0...v5.3.0)

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

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

Author: dependabot[bot]

.github/workflows/docs.yaml

@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4.2.2
-      - uses: actions/setup-python@v5.2.0
+      - uses: actions/setup-python@v5.3.0
         with:
           python-version: "3.12"
       - name: Install uv

.github/workflows/tests.yaml

@@ -112,7 +112,7 @@ jobs:
       - uses: actions/checkout@v4.2.2
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5.2.0
+        uses: actions/setup-python@v5.3.0
         with:
           python-version: ${{ matrix.python-version }}