update GitHub notifications scheme
diff --git a/.asf.yaml b/.asf.yaml
index 3907da9..1a339f8 100644
--- a/.asf.yaml
+++ b/.asf.yaml
@@ -7,5 +7,11 @@
     - build-management
     - apache-maven
     - maven
+  enabled_merge_buttons:
+    squash: true
+    merge: false
+    rebase: true
 notifications:
+  commits: commits@maven.apache.org
+  issues: issues@maven.apache.org
   jira_options: link label comment