chore: migrate generator to google-cloud-node

chore: update generator system tests

PiperOrigin-RevId: 841977762

Source-Link: googleapis/googleapis@c9578f6

Source-Link: googleapis/googleapis-gen@5a48994
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiNWE0ODk5NGZiZDg1MjRmNzM2YTI0MTc5YjgyODg2NjQ2NjlmMjQwMCJ9

Author: gcf-owl-bot[bot]

owl-bot-staging/v1/package.json

@@ -41,7 +41,7 @@
   },
   "devDependencies": {
     "@types/mocha": "^10.0.10",
-    "@types/node": "^22.18.10",
+    "@types/node": "^22.18.12",
     "@types/sinon": "^17.0.4",
     "c8": "^10.1.3",
     "gapic-tools": "^1.0.3",