Merge pull request #100 from beeware/dependabot/github_actions/actions/setup-python-5.3.0

Bump actions/setup-python from 5.2.0 to 5.3.0

Author: freakboy3742

.github/workflows/ci.yml

@@ -113,7 +113,7 @@ jobs:
         fetch-depth: 0
 
     - name: Set up Python
-      uses: actions/setup-python@v5.2.0
+      uses: actions/setup-python@v5.3.0
       if: matrix.python-version != 'system'
       with:
         python-version: ${{ matrix.python-version }}