build(deps-dev): bump vitest in /apps/sdk-cloudflare-integration

Bumps [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest) from 2.1.4 to 2.1.9.
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v2.1.9/packages/vitest)

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

Signed-off-by: dependabot[bot] <[email protected]>

apps/sdk-cloudflare-integration/package.json

@@ -12,7 +12,7 @@
   "devDependencies": {
     "@cloudflare/vitest-pool-workers": "^0.5.33",
     "@cloudflare/workers-types": "^4.20241230.0",
-    "vitest": "2.1.4",
+    "vitest": "2.1.9",
     "wrangler": "^3.72.3"
   },
   "dependencies": {