Bump undici, @sveltejs/adapter-auto and @sveltejs/kit in /tests/app/rp (#1398)

Author: dependabot[bot]

tests/app/rp/package-lock.json

@@ -12,8 +12,8 @@
 		"format": "prettier --plugin-search-dir . --write ."
 	},
 	"devDependencies": {
-		"@sveltejs/adapter-auto": "^2.0.0",
-		"@sveltejs/kit": "^1.30.3",
+		"@sveltejs/adapter-auto": "^3.1.1",
+		"@sveltejs/kit": "^2.5.0",
 		"prettier": "^2.8.0",
 		"prettier-plugin-svelte": "^2.8.1",
 		"svelte": "^3.54.0",