chore: update pin for awslabs-nova-canvas

Author: mcp-registry-bot

servers/awslabs-nova-canvas/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: 454148eba1a80587b53c075be07add2ef7ba72d1
   directory: src/nova-canvas-mcp-server
 config:
   description: Configure AWS credentials for Nova Canvas access