Try out merge queues

Author: trask

.github/repository-settings.md

@@ -35,6 +35,14 @@ settings](https://github.com/open-telemetry/community/blob/main/docs/how-to-conf
 - Branch rules
   - Restrict deletions: CHECKED
   - Require linear history: CHECKED
+  - Require merge queue: CHECKED
+    - Merge method: Squash and merge
+    - Build concurrency: 5
+    - Minimum group size: 1
+    - Maximum group size: 5
+    - Wait time to meet minimum group size (minutes): 5
+    - Require all queue entries to pass required checks: CHECKED
+    - Status check timeout (minutes): 120
   - Require a pull request before merging: CHECKED
     - Required approvals: 1
     - Require review from Code Owners: CHECKED