Update feature_request.yml to support Shard Management (#12557)

Signed-off-by: Bukhtawar Khan <bukhtawa@amazon.com>

Author: Bukhtawar

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -47,6 +47,10 @@ body:
         - Storage:Remote
         - Storage:Snapshots
         - Storage
+        - ShardManagement:Placement
+        - ShardManagement:Performance
+        - ShardManagement:Resiliency
+        - ShardManagement:Insights
     validations:
       required: true
   - type: textarea