chore(main): release 4.2.0 (#422)

🤖 I have created a release *beep* *boop*
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## [4.2.0](googleapis/nodejs-containeranalysis@v4.1.0...v4.2.0) (2022-07-04)


### Features

* support regapic LRO ([1290f13](googleapis/nodejs-containeranalysis@1290f13))


### Bug Fixes

* **deps:** update dependency @google-cloud/grafeas to v4 ([#420](googleapis/nodejs-containeranalysis#420)) ([6e40ebe](googleapis/nodejs-containeranalysis@6e40ebe))
* **issue-417:** adding additional asserts to track flaky error ([#421](googleapis/nodejs-containeranalysis#421)) ([23cd446](googleapis/nodejs-containeranalysis@23cd446))

---
This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please).

container-analysis/snippets/package.json

@@ -14,7 +14,7 @@
     "test": "mocha --timeout 100000 test/**.test.js"
   },
   "dependencies": {
-    "@google-cloud/containeranalysis": "^4.1.0",
+    "@google-cloud/containeranalysis": "^4.2.0",
     "@google-cloud/pubsub": "^3.0.0",
     "p-retry": "^4.1.0"
   },