⬆️(dependencies) update next to v15.5.10 [SECURITY]

Author: renovate[bot]

src/frontend/apps/impress/package.json

@@ -44,7 +44,7 @@
     "idb": "8.0.3",
     "lodash": "4.17.21",
     "luxon": "3.6.1",
-    "next": "15.3.2",
+    "next": "15.5.10",
     "posthog-js": "1.246.0",
     "react": "*",
     "react-aria-components": "1.9.0",