fix: upgrade marked to 18.0.5

packages/coding-agent/npm-shrinkwrap.json

@@ -516,7 +516,7 @@
 			"license": "MIT",
 			"dependencies": {
 				"get-east-asian-width": "1.6.0",
-				"marked": "15.0.12"
+				"marked": "18.0.5"
 			},
 			"engines": {
 				"node": ">=22.19.0"
@@ -1399,15 +1399,15 @@
 			}
 		},
 		"node_modules/marked": {
-			"version": "15.0.12",
-			"resolved": "https://registry.npmjs.org/marked/-/marked-15.0.12.tgz",
-			"integrity": "sha512-8dD6FusOQSrpv9Z1rdNMdlSgQOIP880DHqnohobOmYLElGEqAL/JvxvuxZO16r4HtjTlfPRDC1hbvxC9dPN2nA==",
+			"version": "18.0.5",
+			"resolved": "https://registry.npmjs.org/marked/-/marked-18.0.5.tgz",
+			"integrity": "sha512-S6GcvALHg6K4ohtu4E7x0a1AqhAjp6cV8KhLSyN9qVapnzJkusVBxZRcIU9AeYsbe6P1hKDusSbEOzGyyuce6w==",
 			"license": "MIT",
 			"bin": {
 				"marked": "bin/marked.js"
 			},
 			"engines": {
-				"node": ">= 18"
+				"node": ">= 20"
 			}
 		},
 		"node_modules/minimatch": {