Enable "Merge" button on Github
diff --git a/.asf.yaml b/.asf.yaml
index 1f74599..87db6e1 100644
--- a/.asf.yaml
+++ b/.asf.yaml
@@ -3,6 +3,7 @@
   description: "Apache Maven site"
   enabled_merge_buttons:
     squash: false
+    merge: true
   homepage: https://maven.apache.org/
   labels:
     - apache