Build(deps-dev): Bump vitest from 4.1.7 to 4.1.8 in the npm-all group across 1 directory (#459)

* Build(deps-dev): Bump vitest in the npm-all group across 1 directory

Bumps the npm-all group with 1 update in the / directory: [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest).


Updates `vitest` from 4.1.7 to 4.1.8
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Changelog](https://github.com/vitest-dev/vitest/blob/main/docs/releases.md)
- [Commits](https://github.com/vitest-dev/vitest/commits/v4.1.8/packages/vitest)

---
updated-dependencies:
- dependency-name: vitest
  dependency-version: 4.1.8
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: npm-all
...

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

* test(e2e): stabilize copilot timeline expand/collapse selector

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Reinier <reinier.vanmaanen@xebia.com>
Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>

Author: 3 people