chore: update pin for awslabs-redshift

Author: mcp-registry-bot

servers/awslabs-redshift/server.yaml

@@ -11,5 +11,5 @@ about:
   icon: https://avatars.githubusercontent.com/u/3299148?v=4
 source:
   project: https://github.com/awslabs/mcp
-  commit: 76ec6993aec4c6281e5250cbeba8db6a5863f2ff
+  commit: fd4ebcb0a58cc8bcd9c38efb5796828b72c298f4
   directory: src/redshift-mcp-server