chore: release 1.2.0 (#25)

Author: release-please[bot]

generated,README.md,.eslintrc.yml/package.json

@@ -15,7 +15,7 @@
     "test": "c8 mocha system-test --timeout=800000"
   },
   "dependencies": {
-    "@google-cloud/cloudbuild": "^1.1.0"
+    "@google-cloud/cloudbuild": "^1.2.0"
   },
   "devDependencies": {
     "c8": "^6.0.1",