build(deps-dev): bump the vitest group across 1 directory with 2 updates

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


Updates `@vitest/coverage-v8` from 1.6.0 to 2.1.5
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v2.1.5/packages/coverage-v8)

Updates `vitest` from 1.6.0 to 2.1.5
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v2.1.5/packages/vitest)

---
updated-dependencies:
- dependency-name: "@vitest/coverage-v8"
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: vitest
- dependency-name: vitest
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: vitest
...

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

package.json

@@ -117,7 +117,7 @@
     "@typescript-eslint/eslint-plugin": "7.18.0",
     "@typescript-eslint/parser": "7.18.0",
     "@vates/toggle-scripts": "1.0.0",
-    "@vitest/coverage-v8": "1.6.0",
+    "@vitest/coverage-v8": "2.1.5",
     "chai": "5.1.1",
     "cross-env": "7.0.3",
     "cspell": "8.14.4",
@@ -161,7 +161,7 @@
     "unist-util-inspect": "8.1.0",
     "vfile": "6.0.2",
     "vite-tsconfig-paths": "4.3.2",
-    "vitest": "1.6.0",
+    "vitest": "2.1.5",
     "yaml-eslint-parser": "1.2.3"
   },
   "peerDependencies": {