chore(deps-dev): bump bootstrap from 5.3.7 to 5.3.8

Bumps [bootstrap](https://github.com/twbs/bootstrap) from 5.3.7 to 5.3.8.
- [Release notes](https://github.com/twbs/bootstrap/releases)
- [Commits](twbs/bootstrap@v5.3.7...v5.3.8)

---
updated-dependencies:
- dependency-name: bootstrap
  dependency-version: 5.3.8
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]