chore: release 2.1.0 (#481)

* chore: updated samples/package.json [ci skip]

* chore: updated CHANGELOG.md [ci skip]

* chore: updated package.json

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

Author: release-please[bot]

compute/package.json

@@ -15,7 +15,7 @@
     "test": "mocha --timeout 1200000"
   },
   "dependencies": {
-    "@google-cloud/compute": "^2.0.3",
+    "@google-cloud/compute": "^2.1.0",
     "@sendgrid/mail": "^7.0.0",
     "node-fetch": "^2.3.0",
     "nodemailer": "^6.0.0",