fix(deps): update dependency marked to v18

Author: renovate[bot]

package-lock.json

@@ -16,7 +16,7 @@
   },
   "dependencies": {
     "lit": "^2.3.1",
-    "marked": "^4.2.5"
+    "marked": "^18.0.0"
   },
   "devDependencies": {
     "@types/marked": "^4.0.8",

package.json

@@ -1308,10 +1308,10 @@ map-visit@^1.0.0:
   dependencies:
     object-visit "^1.0.0"
 
-marked@^4.2.5:
-  version "4.2.5"
-  resolved "https://registry.npmjs.org/marked/-/marked-4.2.5.tgz"
-  integrity sha512-jPueVhumq7idETHkb203WDD4fMA3yV9emQ5vLwop58lu8bTclMghBWcYAavlDqIEMaisADinV1TooIFCfqOsYQ==
+marked@^18.0.0:
+  version "18.0.2"
+  resolved "https://registry.npmjs.org/marked/-/marked-18.0.2.tgz"
+  integrity sha512-NsmlUYBS/Zg57rgDWMYdnre6OTj4e+qq/JS2ot3KrYLSoHLw+sDu0Nm1ZGpRgYAq6c+b1ekaY5NzVchMCQnzcg==
 
 merge2@^1.2.3, merge2@^1.3.0, merge2@^1.4.1:
   version "1.4.1"