chore(main): release 4.0.0 (#407)

* chore(main): release 4.0.0

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>
Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: release-please[bot]

CHANGELOG.md

@@ -4,6 +4,22 @@
 
 [1]: https://www.npmjs.com/package/@google-cloud/containeranalysis?activeTab=versions
 
+## [4.0.0](https://github.com/googleapis/nodejs-containeranalysis/compare/v3.4.0...v4.0.0) (2022-05-17)
+
+
+### ⚠ BREAKING CHANGES
+
+* update library to use Node 12 (#408)
+
+### Bug Fixes
+
+* Flaky pubsub test ([#394](https://github.com/googleapis/nodejs-containeranalysis/issues/394)) ([eb74ba8](https://github.com/googleapis/nodejs-containeranalysis/commit/eb74ba886c2a3397d57b3f99fca0fe1df1216f2d))
+
+
+### Build System
+
+* update library to use Node 12 ([#408](https://github.com/googleapis/nodejs-containeranalysis/issues/408)) ([4aeecf8](https://github.com/googleapis/nodejs-containeranalysis/commit/4aeecf8ea7c476aa3dab167766121eeec7346a85))
+
 ## [3.4.0](https://github.com/googleapis/nodejs-containeranalysis/compare/v3.3.0...v3.4.0) (2022-04-05)
 
 

package.json

@@ -1,7 +1,7 @@
 {
   "repository": "googleapis/nodejs-containeranalysis",
   "name": "@google-cloud/containeranalysis",
-  "version": "3.4.0",
+  "version": "4.0.0",
   "author": "Google LLC",
   "description": "Container Analysis API client for Node.js",
   "main": "build/src/index.js",

samples/generated/v1/snippet_metadata.google.devtools.containeranalysis.v1.json

@@ -1,7 +1,7 @@
 {
     "clientLibrary": {
         "name": "nodejs-containeranalysis",
-        "version": "3.4.0",
+        "version": "4.0.0",
         "language": "TYPESCRIPT",
         "apis": [
             {

samples/generated/v1beta1/snippet_metadata.google.devtools.containeranalysis.v1beta1.json

@@ -1,7 +1,7 @@
 {
     "clientLibrary": {
         "name": "nodejs-containeranalysis",
-        "version": "3.4.0",
+        "version": "4.0.0",
         "language": "TYPESCRIPT",
         "apis": [
             {

samples/package.json

@@ -14,7 +14,7 @@
     "test": "mocha --timeout 100000 test/**.test.js"
   },
   "dependencies": {
-    "@google-cloud/containeranalysis": "^3.4.0",
+    "@google-cloud/containeranalysis": "^4.0.0",
     "@google-cloud/pubsub": "^2.0.0",
     "p-retry": "^4.1.0"
   },