Add the capability to use RoleBindings instead of ClusterRoleBindings

[nilushancosta]

Description

This PR introduces a new key to the Helm values named useRoleBindings which when set to true creates Kubernetes RoleBindings instead of ClusterRoleBindings

Issues Resolved

Closes #831

Check List

• Commits are signed per the DCO using --signoff
• Unittest added for the new/changed functionality and all unit tests are successful
• Customer-visible features documented
• No linter warnings (make lint)

If CRDs are changed:

• CRD YAMLs updated (make manifests) and also copied into the helm chart
• Changes to CRDs documented

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[nilushancosta]

@swoehrl-mw would you be able to have a look at this PR?

[swoehrl-mw]

I think it makes more sense to have the ClusterRoleBinding and the RoleBinding in the same file (without the -crb in the filename to make it more generic) and use an if-else-end construct.

[nilushancosta]

I think it makes more sense to have the ClusterRoleBinding and the RoleBinding in the same file (without the -crb in the filename to make it more generic) and use an if-else-end construct.

@swoehrl-mw I changed it as requested