Bump ansible-lint in /.github/workflows/requirements

Bumps [ansible-lint](https://github.com/ansible/ansible-lint) from 6.20.2 to 6.21.1.
- [Release notes](https://github.com/ansible/ansible-lint/releases)
- [Commits](ansible/ansible-lint@v6.20.2...v6.21.1)

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

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

Author: dependabot[bot]

.github/workflows/requirements/requirements_ansible_lint.txt

@@ -2,4 +2,4 @@ ansible-core==2.15.4
 jinja2==3.1.2
 ansible-compat==4.1.10
 yamllint==1.32.0
-ansible-lint==6.20.2
+ansible-lint==6.21.1