fix(deps): update dependency mithril to v2.2.5

Author: renovate[bot]

package-lock.json

@@ -16,7 +16,7 @@
     "compression": "1.7.4",
     "domready": "1.0.8",
     "express": "5.0.0-beta.1",
-    "mithril": "2.2.2",
+    "mithril": "2.2.5",
     "mithril-node-render": "3.0.2"
   },
   "devDependencies": {