fix

.gitea/workflows/render-manifests.yaml

@@ -70,7 +70,7 @@ jobs:
           echo ">> Checking for changes .."
           echo "$GIT_DIFF"
 
-          if $GIT_DIFF | grep -q .; then
+          if [ -n $GIT_DIFF ]; then
             echo ">> Changes detected"
 
             for path in $GIT_DIFF; do