chore: release 2.2.2 (#469)

🤖 I have created a release \*beep\* \*boop\*
---
### [2.2.2](https://www.github.com/googleapis/nodejs-bigquery-data-transfer/compare/v2.2.1...v2.2.2) (2021-06-30)


### Bug Fixes

* make request optional in all cases ([#467](https://www.github.com/googleapis/nodejs-bigquery-data-transfer/issues/467)) ([30a0585](https://www.github.com/googleapis/nodejs-bigquery-data-transfer/commit/30a05858eaff80ac57fc9b4d59c129750ee01082))
---


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

Author: release-please[bot]

packages/google-cloud-bigquery-datatransfer/CHANGELOG.md

@@ -4,6 +4,13 @@
 
 [1]: https://www.npmjs.com/package/@google-cloud/bigquery-data-transfer?activeTab=versions
 
+### [2.2.2](https://www.github.com/googleapis/nodejs-bigquery-data-transfer/compare/v2.2.1...v2.2.2) (2021-06-30)
+
+
+### Bug Fixes
+
+* make request optional in all cases ([#467](https://www.github.com/googleapis/nodejs-bigquery-data-transfer/issues/467)) ([30a0585](https://www.github.com/googleapis/nodejs-bigquery-data-transfer/commit/30a05858eaff80ac57fc9b4d59c129750ee01082))
+
 ### [2.2.1](https://www.github.com/googleapis/nodejs-bigquery-data-transfer/compare/v2.2.0...v2.2.1) (2021-06-07)
 
 

packages/google-cloud-bigquery-datatransfer/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@google-cloud/bigquery-data-transfer",
   "description": "BigQuery Data Transfer API client for Node.js",
-  "version": "2.2.1",
+  "version": "2.2.2",
   "license": "Apache-2.0",
   "author": "Google Inc",
   "engines": {

packages/google-cloud-bigquery-datatransfer/samples/package.json

@@ -14,7 +14,7 @@
     "test": "mocha --timeout 60000"
   },
   "dependencies": {
-    "@google-cloud/bigquery-data-transfer": "^2.2.1"
+    "@google-cloud/bigquery-data-transfer": "^2.2.2"
   },
   "devDependencies": {
     "chai": "^4.2.0",