Bump svelte from 4.2.18 to 4.2.19 in /tests/app/rp (#1473)

Bumps [svelte](https://github.com/sveltejs/svelte/tree/HEAD/packages/svelte) from 4.2.18 to 4.2.19.
- [Release notes](https://github.com/sveltejs/svelte/releases)
- [Changelog](https://github.com/sveltejs/svelte/blob/svelte@4.2.19/packages/svelte/CHANGELOG.md)
- [Commits](https://github.com/sveltejs/svelte/commits/svelte@4.2.19/packages/svelte)

---
updated-dependencies:
- dependency-name: svelte
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

tests/app/rp/package.json

@@ -17,7 +17,7 @@
 		"@sveltejs/kit": "^2.5.10",
 		"prettier": "^3.3.2",
 		"prettier-plugin-svelte": "^3.2.4",
-		"svelte": "^4.0.0",
+		"svelte": "^4.2.19",
 		"svelte-check": "^3.8.0",
 		"tslib": "^2.4.1",
 		"typescript": "^5.0.0",