docs(vmware_object_role_permission): Clarify vCenter compatibility

[mariolenz]

SUMMARY

This update to the documentation should clarify that the module is compatible with ESXi and vCenter which previously wasn't clear by reading through the module description.

ISSUE TYPE

• Docs Pull Request

COMPONENT NAME

vmware_object_role_permission
vmware_object_role_permission_info

ADDITIONAL INFORMATION

This PR is similar to #1678

This is the same as #1705 which keeps failing in the CI pipeline.

[softwarefactory-project-zuul]

Build failed.
https://ansible.softwarefactory-project.io/zuul/buildset/e79f98cf251b455fb52b8c3be02b8fdf

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