Release: v2.0.0 (#664)

## What's Changed
* dependabot: only do security updates by @sethvargo in
#643
* update all deps by @sethvargo in
#644
* Update deps to Node 20 by @sethvargo in
#653
* Upgrade setup-cloud-sdk package by @sethvargo in
#656
* Add CI for release branches by @sethvargo in
#661
* Update and drop unnecessary deps by @sethvargo in
#662


**Full Changelog**:
v1.1.1...c2599db

Author: google-github-actions-bot

dist/index.js

@@ -1,6 +1,6 @@
 {
   "name": "setup-gcloud",
-  "version": "1.1.1",
+  "version": "2.0.0",
   "description": "Setup gcloud GitHub action",
   "main": "dist/main/index.js",
   "scripts": {