Fix installing project in the container

Author: hongquan

.github/workflows/install.yml

@@ -87,7 +87,7 @@ jobs:
           set -x
           git --version
           python3 -m build
-          python3 -m pip install .
+          python3 -m pip install --break-system-packages .
           # Avoid importing the systemd module from the git repository
           cd /
           python3 -c 'from systemd import journal; print(journal.__version__)'