chore: release 1.2.0 (#32)

🤖 I have created a release \*beep\* \*boop\* 
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## [1.2.0](https://www.github.com/googleapis/nodejs-dialogflow-cx/compare/v1.1.0...v1.2.0) (2020-11-17)


### Features

* adds event to MessageType ([999d156](https://www.github.com/googleapis/nodejs-dialogflow-cx/commit/999d15616da58c1c909f99ac093833a5eb8665bb))


### Bug Fixes

* do not modify options object, use defaultScopes ([#27](https://www.github.com/googleapis/nodejs-dialogflow-cx/issues/27)) ([a0124c7](https://www.github.com/googleapis/nodejs-dialogflow-cx/commit/a0124c774e59d0a2873445f6fa7697a192739ebf))
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This PR was generated with [Release Please](https://github.com/googleapis/release-please).

dialogflow-cx/package.json

@@ -13,7 +13,7 @@
     "test": "c8 mocha --timeout 600000 test/*.js"
   },
   "dependencies": {
-    "@google-cloud/dialogflow-cx": "^1.1.0"
+    "@google-cloud/dialogflow-cx": "^1.2.0"
   },
   "devDependencies": {
     "c8": "^7.3.0",