Bump yamllint from 1.27.1 to 1.28.0 in /.github/workflows/requirements

Bumps [yamllint](https://github.com/adrienverge/yamllint) from 1.27.1 to 1.28.0.
- [Release notes](https://github.com/adrienverge/yamllint/releases)
- [Changelog](https://github.com/adrienverge/yamllint/blob/master/CHANGELOG.rst)
- [Commits](adrienverge/yamllint@v1.27.1...v1.28.0)

---
updated-dependencies:
- dependency-name: yamllint
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/requirements/requirements_molecule.txt

@@ -1,6 +1,6 @@
 ansible-core==2.13.3
 jinja2==3.1.2
 ansible-lint==6.5.2
-yamllint==1.27.1
+yamllint==1.28.0
 molecule[docker]==4.0.1
 docker==6.0.0