Update actions/setup-python action to v6

Author: renovate[bot]

.github/actions/install_requirements/action.yml

@@ -22,7 +22,7 @@ runs:
       shell: bash
 
     - name: Setup python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6
       with:
         python-version: ${{ env.PYTHON_VERSION }}