🚑🐛 Fix misused YAML anchor

Author: webknjaz

vagga.yaml

@@ -100,7 +100,7 @@ containers:
     - !Container features
     # Rebuild this container on pre-commit config change
     - !Depends .pre-commit-config.yaml
-    - !BuildDeps *app-build-deps
+    - *app-build-deps
     # Git is needed for pre-commit in runtime. Ref:
     # github.com/pre-commit/pre-commit/issues/456#issuecomment-269653630
     - !Install [git]