chore: update pin for singlestore

Author: mcp-registry-bot

servers/singlestore/server.yaml

@@ -11,7 +11,7 @@ about:
   icon: https://avatars.githubusercontent.com/u/79943160?v=4
 source:
   project: https://github.com/singlestore-labs/mcp-server-singlestore
-  commit: d053ef52cb84c830d2d01c7cf2d16c89eaf86500
+  commit: 0a689dc3e4ad06d1ecca68a7a6e112dbc4d647fc
 config:
   secrets:
     - name: singlestore.mcp_api_key