chore: release 2.2.1 (#95)

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

Author: release-please[bot]

media-translation/package.json

@@ -13,7 +13,7 @@
     "test": "c8 mocha --timeout 600000 test/*.js"
   },
   "dependencies": {
-    "@google-cloud/media-translation": "^2.2.0",
+    "@google-cloud/media-translation": "^2.2.1",
     "node-record-lpcm16": "1.0.1"
   },
   "devDependencies": {