build(deps-dev): bump vitest from 2.0.5 to 2.1.9 in /packages/solid

Bumps [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest) from 2.0.5 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] <support@github.com>

Author: dependabot[bot]

packages/solid/package.json

@@ -55,7 +55,7 @@
     "vite-plugin-dts": "4.5.0",
     "vite-plugin-solid": "2.11.0",
     "vite-tsconfig-paths": "5.1.2",
-    "vitest": "2.0.5"
+    "vitest": "2.1.9"
   },
   "peerDependencies": {
     "@iconify-icon/solid": "^2.3.0",