release: bump version to 12.1.0-rc.0 w/ changelog (#23001)

Author: wagnermaciel

CHANGELOG.md

@@ -1,3 +1,8 @@
+# 12.1.0-rc.0 "resin-rose" (2021-06-16)
+
+No changes from 12.1.0-next.1
+
+
 # 12.1.0-next.1 "iron-idol" (2021-06-16)
 
 ### cdk

package.json

@@ -52,7 +52,7 @@
     "check-tools": "yarn tsc --project tools/tsconfig-ci.json",
     "prepare": "husky install"
   },
-  "version": "12.1.0-next.1",
+  "version": "12.1.0-rc.0",
   "dependencies": {
     "@angular/animations": "^12.1.0-next.5",
     "@angular/common": "^12.1.0-next.5",