Also skip health metrics workflow

Author: hsubox76

.github/workflows/health-metrics-pull-request.yml

@@ -4,6 +4,8 @@ on:
   push:
     branches: ['**']
   pull_request:
+    branches-ignore:
+      - release
 
 env:
   GITHUB_PULL_REQUEST_NUMBER: ${{ github.event.pull_request.number }}