Bump @vitest/coverage-v8 from 1.4.0 to 1.6.0 in /web

Bumps [@vitest/coverage-v8](https://github.com/vitest-dev/vitest/tree/HEAD/packages/coverage-v8) from 1.4.0 to 1.6.0.
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v1.6.0/packages/coverage-v8)

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

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

web/package.json

@@ -87,7 +87,7 @@
     "@typescript-eslint/eslint-plugin": "^7.5.0",
     "@typescript-eslint/parser": "^7.5.0",
     "@vitejs/plugin-react-swc": "^3.6.0",
-    "@vitest/coverage-v8": "^1.4.0",
+    "@vitest/coverage-v8": "^1.6.0",
     "autoprefixer": "^10.4.19",
     "eslint": "^8.55.0",
     "eslint-config-prettier": "^9.1.0",