Bump bootstrap from 5.3.6 to 5.3.7
Bumps [bootstrap](https://github.com/twbs/bootstrap) from 5.3.6 to 5.3.7.
- [Release notes](https://github.com/twbs/bootstrap/releases)
- [Commits](https://github.com/twbs/bootstrap/compare/v5.3.6...v5.3.7)
---
updated-dependencies:
- dependency-name: bootstrap
dependency-version: 5.3.7
dependency-type: direct:production
update-type: version-update:semver-patch
...
Signed-off-by: dependabot[bot] <support@github.com>