ci: harden gitea workflow reruns

.gitea/workflows/release-dry-run.yml

@@ -38,7 +38,7 @@ jobs:
 
           for path in "${placeholder_paths[@]}"; do
             [ -e "$path" ] || continue
-            if grep -RInE --exclude-dir=.git "$placeholder_pattern" "$path"; then
+            if grep -RInE --exclude-dir=.git --exclude='release-dry-run.yml' --exclude='template-compliance.yml' "$placeholder_pattern" "$path"; then
               echo "Unresolved template placeholders found."
               missing=1
             fi