Merge pull request #171 from twisted/dependabot/github_actions/actions/setup-python-6

Bump actions/setup-python from 5 to 6

Author: twm

.github/workflows/tests.yaml

@@ -63,7 +63,7 @@ jobs:
     - uses: actions/checkout@v4
 
     - name: Set up Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: ${{ matrix.python-version }}