Do not run check-changeset on release PR (#6422)

Author: hsubox76

.github/workflows/check-changeset.yml

@@ -1,6 +1,9 @@
 name: Check Changeset
 
-on: pull_request
+on:
+  pull_request:
+    branches-ignore:
+      - release
 
 env:
   GITHUB_PULL_REQUEST_HEAD_SHA: ${{ github.event.pull_request.head.sha }}