chore: release 2.2.0 (#413)

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

Author: release-please[bot]

kms/package.json

@@ -14,7 +14,7 @@
     "test": "c8 mocha --recursive test/ --timeout=800000"
   },
   "dependencies": {
-    "@google-cloud/kms": "^2.1.4"
+    "@google-cloud/kms": "^2.2.0"
   },
   "devDependencies": {
     "c8": "^7.0.0",