Fix container permission issues for apt operations

- Remove overly restrictive --cap-drop=ALL that blocks apt
- Add --user=root to ensure proper permissions
- Keep security-opt=no-new-privileges for basic security
- Container should now be able to install packages successfully

.forgejo/workflows/build-artifacts.yml

@@ -53,9 +53,9 @@ jobs:
         --shm-size=2g
         --tmpfs=/tmp:size=4g,exec
         --tmpfs=/var/tmp:size=2g,exec
-        # Security and stability options
+                    # Security and stability options (relaxed for apt operations)
             --security-opt=no-new-privileges
-        --cap-drop=ALL
+            --user=root
         --ulimit=nofile=65536:65536
         --ulimit=nproc=32768:32768
     steps: