chore(deps): update dependency pack-n-play to v3 (#691)

Author: renovate-bot

core/packages/gaxios/package.json

@@ -84,7 +84,7 @@
     "ncp": "^2.0.0",
     "nock": "^14.0.0-beta.13",
     "null-loader": "^4.0.0",
-    "pack-n-play": "^2.0.3",
+    "pack-n-play": "^3.0.0",
     "puppeteer": "^24.0.0",
     "sinon": "^20.0.0",
     "stream-browserify": "^3.0.0",