Bump ansible-lint from 6.20.2 to 6.21.1 in /.github/workflows/requirements (#665)

Author: dependabot[bot]

.github/workflows/requirements/requirements_ansible_lint.txt

@@ -2,4 +2,4 @@ ansible-core==2.15.5
 jinja2==3.1.2
 ansible-compat==4.1.10
 yamllint==1.32.0
-ansible-lint==6.20.2
+ansible-lint==6.21.1