chore: release 2.3.3 (#488)

🤖 I have created a release \*beep\* \*boop\*
---
### [2.3.3](https://www.github.com/googleapis/nodejs-iot/compare/v2.3.2...v2.3.3) (2021-06-22)


### Bug Fixes

* make request optional in all cases ([#487](https://www.github.com/googleapis/nodejs-iot/issues/487)) ([72c258b](https://www.github.com/googleapis/nodejs-iot/commit/72c258b53e18add510c59f2756f9d8d628edefaa))
---


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

CHANGELOG.md

@@ -1,5 +1,12 @@
 # Changelog
 
+### [2.3.3](https://www.github.com/googleapis/nodejs-iot/compare/v2.3.2...v2.3.3) (2021-06-22)
+
+
+### Bug Fixes
+
+* make request optional in all cases ([#487](https://www.github.com/googleapis/nodejs-iot/issues/487)) ([72c258b](https://www.github.com/googleapis/nodejs-iot/commit/72c258b53e18add510c59f2756f9d8d628edefaa))
+
 ### [2.3.2](https://www.github.com/googleapis/nodejs-iot/compare/v2.3.1...v2.3.2) (2021-06-07)
 
 

package.json

@@ -1,7 +1,7 @@
 {
   "name": "@google-cloud/iot",
   "description": "Cloud IoT API client for Node.js",
-  "version": "2.3.2",
+  "version": "2.3.3",
   "license": "Apache-2.0",
   "author": "Google LLC",
   "engines": {

samples/package.json

@@ -15,7 +15,7 @@
     "test": "cd manager && npm test && cd ../ && cd http_example && npm test && cd ../ && cd mqtt_example && npm test && cd ../"
   },
   "dependencies": {
-    "@google-cloud/iot": "^2.3.2",
+    "@google-cloud/iot": "^2.3.3",
     "@google-cloud/pubsub": "^2.0.0"
   },
   "devDependencies": {