build!: update library to use Node 12 (#205)

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md
Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

packages/google-analytics-admin/package.json

@@ -39,28 +39,28 @@
     "test": "c8 mocha build/test"
   },
   "dependencies": {
-    "google-auth-library": "^7.0.0",
-    "google-gax": "^2.24.1",
+    "google-auth-library": "^8.0.2",
+    "google-gax": "^3.0.1",
     "server-destroy": "^1.0.1"
   },
   "devDependencies": {
     "@types/mocha": "^9.0.0",
     "@types/node": "^16.0.0",
     "@types/sinon": "^10.0.0",
     "c8": "^7.2.0",
-    "gts": "^3.0.0",
+    "gts": "^3.1.0",
     "jsdoc": "^3.6.4",
     "jsdoc-fresh": "^1.0.2",
     "jsdoc-region-tag": "^1.0.4",
     "linkinator": "^2.1.1",
-    "mocha": "^8.0.1",
+    "mocha": "^9.2.2",
     "null-loader": "^4.0.0",
     "pack-n-play": "^1.0.0-2",
     "sinon": "^14.0.0",
     "ts-loader": "^9.0.0",
-    "typescript": "^3.9.6"
+    "typescript": "^4.6.4"
   },
   "engines": {
-    "node": ">=10.0.0"
+    "node": ">=12.0.0"
   }
 }

packages/google-analytics-admin/samples/package.json

@@ -5,7 +5,7 @@
   "author": "Google LLC",
   "repository": "googleapis/nodejs-analytics-admin",
   "engines": {
-    "node": ">=12"
+    "node": ">=12.0.0"
   },
   "files": [
     "*.js"