Run pip install for lint tools with --break-system-packages to allow …

…system wide installation now that ubuntu-latest contains the file /usr/lib/python3.12/EXTERNALLY-MANAGED

.github/workflows/ci.yml

@@ -100,7 +100,7 @@ jobs:
     steps:
       - name: Install dependencies
         run: |
-          python3 -m pip -q install yamllint
+          python3 -m pip --break-system-packages -q install yamllint
       - name: Run yamllint
         run: |
           python3 -m yamllint -d "{extends: default, rules: {document-start: {present: false}, line-length: disable, truthy: {check-keys: false}}}" .