feat: enable prevent branch protection rules (#1228)

also:
- refactor deprected config

Signed-off-by: Sandra Parsick <[email protected]>

Author: sparsick

.asf.yaml

@@ -28,7 +28,11 @@ github:
     squash: true
     merge: false
     rebase: true
-  del_branch_on_merge: true
+  protected_branches:
+    master: { }
+    maven-javadoc-plugin-3.8.3: { }
+  pull_requests:
+    del_branch_on_merge: true
   features:
     issues: true
 notifications: