use for loop

.gitea/workflows/kubeconform.yml

@@ -63,7 +63,7 @@ jobs:
           export KUBECONFORM_CACHE_DIR="/tmp/kubeconform-cache"
           mkdir -p "$KUBECONFORM_CACHE_DIR"
 
-          while IFS= read -r file; do
+          for file in ${ALL_CHANGED_FILES}; do
             [ -z "$file" ] && continue
             echo "=== Validating: $file ==="
             MANIFESTS=$(yq e '.[]' "$file" | jq -c 'select(.kind != null)')
@@ -95,6 +95,6 @@ jobs:
             done
 
             echo ""
-          done <<< "${ALL_CHANGED_FILES}"
+          done
 
           exit $EXIT_CODE