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

Author: renovate[bot]

.github/workflows/main.yaml

@@ -26,7 +26,7 @@ jobs:
         name: Clone repository
 
       - name: Set up Python ${{ matrix.python_version }}
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python_version }}