build(deps-dev): bump the npm_and_yarn group with 2 updates

Bumps the npm_and_yarn group with 2 updates: [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest) and [@vitest/coverage-v8](https://github.com/vitest-dev/vitest/tree/HEAD/packages/coverage-v8).


Updates `vitest` from 2.1.8 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)

Updates `@vitest/coverage-v8` from 2.1.8 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/coverage-v8)

---
updated-dependencies:
- dependency-name: vitest
  dependency-type: direct:development
  dependency-group: npm_and_yarn
- dependency-name: "@vitest/coverage-v8"
  dependency-type: direct:development
  dependency-group: npm_and_yarn
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -25,14 +25,14 @@
         "@semantic-release/git": "^10.0.1",
         "@semantic-release/npm": "^12.0.1",
         "@tsconfig/svelte": "^5.0.4",
-        "@vitest/coverage-v8": "^2.1.8",
+        "@vitest/coverage-v8": "^2.1.9",
         "concurrently": "^9.1.2",
         "conventional-changelog-conventionalcommits": "^8.0.0",
         "semantic-release": "^24.2.1",
         "shx": "^0.3.4",
         "svelte": "^4.2.19",
         "typescript": "^5.7.3",
-        "vitest": "^2.1.4"
+        "vitest": "^2.1.9"
     },
     "prettier": "@lars-reimann/prettier-config-svelte",
     "dependencies": {