chore: update pin for awslabs-cfn

Author: mcp-registry-bot

servers/awslabs-cfn/server.yaml

@@ -11,7 +11,7 @@ about:
   icon: https://avatars.githubusercontent.com/u/3299148?v=4
 source:
   project: https://github.com/awslabs/mcp
-  commit: 76ec6993aec4c6281e5250cbeba8db6a5863f2ff
+  commit: e19c51b5720d54c7c852ae25d6c0455b4f088a34
   directory: src/cfn-mcp-server
 config:
   description: Configure AWS credentials for CloudFormation access