🤖 chore(package.json): Add debug script.

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  - https://github.com/make-github-pseudonymous-again/rejuvenate/blob/8134808bd3e9bcbb3e4b2ca5401e2dee58965a01/src/transforms/package.json:scripts-add-debug.js
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Author: a-flying-potato

package.json

@@ -49,6 +49,7 @@
     "build-gh-pages": "npm run build-docs",
     "commit-msg": "commitlint --edit",
     "cover": "NODE_ENV=cover c8 --all --src src --reporter lcov --reporter text-summary --reporter text npm test",
+    "debug": "NODE_ENV=debug npm run test -- -st --fail-fast",
     "dev": "npm run lint -- --fix && npm run cover -- -- -st --fail-fast",
     "install-hooks": "husky install",
     "lint": "xo",