chore(deps): update actions/setup-python action to v6

Author: renovate[bot]

.github/workflows/ci.yaml

@@ -12,7 +12,7 @@ jobs:
       uses: actions/checkout@v4
 
     - name: Set up Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6
       with:
         python-version: 3.13