Use sudo instead of su and propagate PATH

Author: kraenhansen

.github/workflows/test-installers.yml

@@ -92,7 +92,7 @@ jobs:
               adduser compass
               echo "compass ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
             # Use a shell which switch to the non-root compass user first
-            shell: bash -e -c "su - compass; source {0}"
+            shell: sudo -u compass PATH=$PATH bash -e {0}
             container:
               image: rockylinux:9
               volumes: