chore: release 2.3.1 (#456)

🤖 I have created a release \*beep\* \*boop\*
---
### [2.3.1](https://www.github.com/googleapis/nodejs-cloud-container/compare/v2.3.0...v2.3.1) (2021-06-25)


### Bug Fixes

* make request optional in all cases ([#454](https://www.github.com/googleapis/nodejs-cloud-container/issues/454)) ([65ac281](https://www.github.com/googleapis/nodejs-cloud-container/commit/65ac2813d05cf21d234e42a52b73dae2f723de0f))
---


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

packages/google-container/CHANGELOG.md

@@ -4,6 +4,13 @@
 
 [1]: https://www.npmjs.com/package/@google-cloud/container?activeTab=versions
 
+### [2.3.1](https://www.github.com/googleapis/nodejs-cloud-container/compare/v2.3.0...v2.3.1) (2021-06-25)
+
+
+### Bug Fixes
+
+* make request optional in all cases ([#454](https://www.github.com/googleapis/nodejs-cloud-container/issues/454)) ([65ac281](https://www.github.com/googleapis/nodejs-cloud-container/commit/65ac2813d05cf21d234e42a52b73dae2f723de0f))
+
 ## [2.3.0](https://www.github.com/googleapis/nodejs-cloud-container/compare/v2.2.2...v2.3.0) (2021-06-09)
 
 

packages/google-container/package.json

@@ -1,7 +1,7 @@
 {
  "name": "@google-cloud/container",
  "description": "Google Container Engine API client for Node.js",
- "version": "2.3.0",
+ "version": "2.3.1",
  "license": "Apache-2.0",
  "author": "Google Inc",
  "engines": {

packages/google-container/samples/package.json

@@ -14,7 +14,7 @@
  "test": "mocha system-test --timeout 10000"
  },
  "dependencies": {
- "@google-cloud/container": "^2.3.0"
+ "@google-cloud/container": "^2.3.1"
  },
  "devDependencies": {
  "chai": "^4.2.0",