Bump hono from 4.12.9 to 4.12.12 in /example

Bumps [hono](https://github.com/honojs/hono) from 4.12.9 to 4.12.12.
- [Release notes](https://github.com/honojs/hono/releases)
- [Commits](honojs/hono@v4.12.9...v4.12.12)

---
updated-dependencies:
- dependency-name: hono
  dependency-version: 4.12.12
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

example/package.json

@@ -42,7 +42,7 @@
     "aws-cdk-lib": "2.246.0",
     "aws-lambda-mcp-server": "workspace:*",
     "constructs": "10.6.0",
-    "hono": "4.12.9",
+    "hono": "4.12.12",
     "zod": "4.3.6"
   }
 }