chore: release 1.2.0 (#182)

Author: yoshi-automation

asset/snippets/package.json

@@ -15,7 +15,7 @@
     "test": "mocha --timeout 180000"
   },
   "dependencies": {
-    "@google-cloud/asset": "^1.1.4",
+    "@google-cloud/asset": "^1.2.0",
     "@google-cloud/storage": "^3.0.0",
     "uuid": "^3.3.2",
     "yargs": "^14.0.0"