Bump molecule from 5.1.0 to 6.0.0 in /.github/workflows/requirements (#641)

Author: dependabot[bot]

.github/workflows/requirements/requirements_molecule.txt

@@ -1,6 +1,6 @@
 ansible-core==2.15.2
 jinja2==3.1.2
 ansible-compat==4.1.5
-molecule==5.1.0
+molecule==6.0.0
 molecule-plugins[docker]==23.5.0
 docker==6.1.3