chore: release 2.0.1 (#401)

* updated CHANGELOG.md [ci skip]

* updated package.json [ci skip]

* updated samples/package.json

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

Author: release-please[bot]

cloud-tasks/package.json

@@ -15,7 +15,7 @@
     "start": "node server.js"
   },
   "dependencies": {
-    "@google-cloud/tasks": "^2.0.0",
+    "@google-cloud/tasks": "^2.0.1",
     "body-parser": "^1.18.3",
     "express": "^4.16.3",
     "yargs": "^15.0.0"