protected branches

.asf.yaml

diff --git a/.asf.yaml b/.asf.yaml
index 00e1050..47cbc09 100644
--- a/.asf.yaml
+++ b/.asf.yaml
@@ -36,3 +36,16 @@
         - root
       restrict_deletion: true
       restrict_force_push: true
+  protected_branches:
+    0.9.0:
+      required_pull_request_reviews:
+        required_approving_review_count: 1
+
+    main:
+      required_linear_history: true
+      required_status_checks:
+        strict: true
+      required_pull_request_reviews:
+        required_approving_review_count: 1
+        dismiss_stale_reviews: true
+      required_conversation_resolution: true
\ No newline at end of file