chore: update pin for neon

Author: mcp-registry-bot

servers/neon/server.yaml

@@ -11,7 +11,7 @@ about:
   icon: https://avatars.githubusercontent.com/u/183852044?s=200&v=4
 source:
   project: https://github.com/neondatabase-labs/mcp-server-neon
-  commit: dbfa184afd9fc677c0d6b007a62b33194e883821
+  commit: a560add3dce1b7d070749d86143e58ab4c8f82a3
 config:
   secrets:
     - name: neon.api_key