Update dependency marked to ^15.0.12

Author: renovate[bot]

package.json

@@ -55,7 +55,7 @@
 		"form-data": "^4.0.2",
 		"highlight.js": "^11.11.1",
 		"js-beautify": "^1.15.4",
-		"marked": "^15.0.7",
+		"marked": "^15.0.12",
 		"marked-highlight": "^2.2.1",
 		"openai": "^4.91.1",
 		"sse.js": "^2.6.0",