ci: uses -prune

Author: joelgallant

.github/workflows/standalone-project.yml

@@ -26,7 +26,7 @@ jobs:
     - run: yarn install && yarn build
       working-directory: ./app-config
 
-    - run: find . -name node_modules -exec rm -rf {} \;
+    - run: find . -name node_modules -exec rm -rf {} \; -prune
       working-directory: .
 
     - run: yarn install