chore(ci): run check on branch

Author: vladfrangu

.github/workflows/check.yaml

@@ -5,7 +5,7 @@ name: Check
 on:
     # Push to master will deploy a beta version
     push:
-        branches: [master, renovate/**]
+        branches: [0.21.x]
     pull_request:
         branches: [master]