Force pull requests to master to be from develop

Author: Dontrian

.github/workflows/only-allow-pull-requests-to-master-from-develop

@@ -0,0 +1,14 @@
+on:
+  pull_request: # triggers on open, reopen and synchronize by default
+    branches: ["master"]
+
+  jobs:    
+  bump-version:
+    if: ${{ github.ref }} == "refs/heads/develop"
+    name: Is pull request from develop
+
+    runs-on: ubuntu-latest #self-hosted
+
+    steps:
+    - name: Fail because the pull request is not from develop
+      run: exit 1