fix: upgrade hono to ^4.12.18 to address CVE-2026-44455

Co-authored-by: Brendan Kellam <brendan@sourcebot.dev>

Author: cursoragent

package.json

@@ -49,7 +49,8 @@
         "brace-expansion@npm:^5.0.2": "^5.0.5",
         "brace-expansion@npm:^1.1.7": "^1.1.13",
         "@react-email/preview-server/next": "^16.2.3",
-        "@modelcontextprotocol/sdk/hono": "^4.12.14",
+        "@modelcontextprotocol/sdk/hono": "^4.12.18",
+        "hono": "^4.12.18",
         "@modelcontextprotocol/sdk/@hono/node-server": "^1.19.13",
         "langsmith@npm:>=0.5.0 <1.0.0": "^0.5.19",
         "markdown-it@npm:^14.1.0": "^14.1.1",

yarn.lock

@@ -14608,10 +14608,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"hono@npm:^4.12.14":
-  version: 4.12.14
-  resolution: "hono@npm:4.12.14"
-  checksum: 10c0/78de4c98a9a3da0f067e38dcc4bd27f0d82b45d146ac39f5ca688515ee482c0a2e704d2ac6c1ee91ad17596b7c52b3e4b9483acd9c238d42f6ebcb43414a71b6
+"hono@npm:^4.12.18":
+  version: 4.12.18
+  resolution: "hono@npm:4.12.18"
+  checksum: 10c0/b0b9688fd9e41a1847b077d579dc0e92a28b67c247c6ee7d1e751c0bae269824c30c7773feff1a2874e40ea36a3d2f9d1fc5ba618a28ecdf2ca1b33ed2473864
   languageName: node
   linkType: hard