chore: block deploy requests from non-develop branch

.github/workflows/deploy-check.yml

@@ -0,0 +1,20 @@
+name: Check Deploy
+
+on:
+  pull_request_target:
+    types:
+      - opened
+      - reopened
+      - synchronize
+      - edited
+    branches:
+      - main
+
+jobs:
+  check:
+    if: github.head_ref != 'develop'
+    runs-on: ubuntu-latest
+    steps:
+      - run: |
+          echo "Pull requests to main branch are only allowed from develop branch."
+          exit 1