Update dependency @sveltestrap/sveltestrap to v6.2.8

Author: renovate[bot]

frontend/package-lock.json

@@ -19,7 +19,7 @@
     "svelte-fa": "4.0.2",
     "svelte-preprocess": "6.0.1",
     "svelte-toasts": "1.1.2",
-    "@sveltestrap/sveltestrap": "6.2.7",
+    "@sveltestrap/sveltestrap": "6.2.8",
     "tslib": "2.6.3",
     "typescript": "5.4.5",
     "vite": "5.3.1"