fix(deps): update dependency next to v15.5.18 [security] (#341)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -44,7 +44,7 @@
     "mime": "^4.0.7",
     "motion": "^12.16.0",
     "nanoid": "^5.1.6",
-    "next": "15.5.16",
+    "next": "15.5.18",
     "next-themes": "^0.4.6",
     "radix-ui": "^1.4.3",
     "react": "^19.0.0",