Update dependency @sveltejs/kit to v2.20.8

frontend/package-lock.json

@@ -1073,18 +1073,17 @@
       }
     },
     "node_modules/@sveltejs/kit": {
-      "version": "2.21.0",
-      "resolved": "https://registry.npmjs.org/@sveltejs/kit/-/kit-2.21.0.tgz",
-      "integrity": "sha512-kvu4h9qXduiPk1Q1oqFKDLFGu/7mslEYbVaqpbBcBxjlRJnvNCFwEvEwKt0Mx9TtSi8J77xRelvJobrGlst4nQ==",
+      "version": "2.20.8",
+      "resolved": "https://registry.npmjs.org/@sveltejs/kit/-/kit-2.20.8.tgz",
+      "integrity": "sha512-ep9qTxL7WALhfm0kFecL3VHeuNew8IccbYGqv5TqL/KSqWRKzEgDG8blNlIu1CkLTTua/kHjI+f5T8eCmWIxKw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@sveltejs/acorn-typescript": "^1.0.5",
         "@types/cookie": "^0.6.0",
-        "acorn": "^8.14.1",
         "cookie": "^0.6.0",
         "devalue": "^5.1.0",
         "esm-env": "^1.2.2",
+        "import-meta-resolve": "^4.1.0",
         "kleur": "^4.1.5",
         "magic-string": "^0.30.5",
         "mrmime": "^2.0.0",