Update vercel action files

.github/workflows/vercel-preview.yaml

@@ -3,9 +3,12 @@ env:
   VERCEL_ORG_ID: ${{ secrets.VERCEL_ORG_ID }}
   VERCEL_PROJECT_ID: ${{ secrets.VERCEL_PROJECT_ID }}
 on:
+  # Trigger the workflow on push or pull request,
   push:
-    branches-ignore:
-      - main
+    branches: [main, stable]
+  pull_request:
+    # These types of PRs
+    types: [opened, synchronize, reopened]
 jobs:
   Deploy-Preview:
     runs-on: ubuntu-latest

.github/workflows/vercel-production.yaml

@@ -6,6 +6,7 @@ on:
   push:
     branches:
       - main
+      - stable
 jobs:
   Deploy-Production:
     runs-on: ubuntu-latest