feat: add script to show action dependencies (#26505)

package.json

@@ -197,6 +197,7 @@
     "prettier-check": "prettier -c \"**/*.{ts,tsx,js,mjs,scss,yml,yaml}\"",
     "prevent-pushes-to-main": "node script/prevent-pushes-to-main.js",
     "rest-dev": "script/rest/update-files.js && npm run dev",
+    "show-action-deps": "echo 'Action Dependencies:' && rg '^[\\s|-]*(uses:.*)$' .github -I -N --no-heading -r '$1$2' | sort | uniq | cut -c 7-",
     "start": "cross-env NODE_ENV=development ENABLED_LANGUAGES='en,ja' nodemon server.mjs",
     "start-all-languages": "cross-env NODE_ENV=development nodemon server.mjs",
     "sync-search": "cross-env NODE_OPTIONS='--max_old_space_size=8192' start-server-and-test sync-search-server 4002 sync-search-indices",