chore(deps-dev): bump @storybook/test-runner in the docs group

Bumps the docs group with 1 update: [@storybook/test-runner](https://github.com/storybookjs/test-runner).


Updates `@storybook/test-runner` from 0.18.2 to 0.19.0
- [Release notes](https://github.com/storybookjs/test-runner/releases)
- [Changelog](https://github.com/storybookjs/test-runner/blob/v0.19.0/CHANGELOG.md)
- [Commits](storybookjs/test-runner@v0.18.2...v0.19.0)

---
updated-dependencies:
- dependency-name: "@storybook/test-runner"
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: docs
...

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

package.json

@@ -93,7 +93,7 @@
  "@storybook/react": "^8.1.10",
  "@storybook/react-webpack5": "^8.1.10",
  "@storybook/test": "^8.0.10",
- "@storybook/test-runner": "^0.18.2",
+ "@storybook/test-runner": "^0.19.0",
  "@types/node": "^20.14.7",
  "@types/react": "^18.3.3",
  "@types/react-dom": "^18.3.0",