7.8 Patch Release Version Bump, docs update

[rrbadiani]

Description

Please include a summary of the change and which issue is fixed. Please also include relevant motivation and context. List any dependencies that are required for this change.

Fixes # (issue)

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

Checklist:

• Any variable/code changes have been validated to be backwards compatible (doesn't break upgrade)
• I have added tests that prove my fix is effective or that my feature works
• If required, I have ensured the changes can be discovered by cp-ansible discovery codebase
• My code follows the style guidelines of this project
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• Any dependent changes have been merged and published in downstream modules

[ishikaa-p]

LGTM, thanks

[mansisinha]

I think we should explain it a bit. Something like removed kraft controller and broker dependency on each other for RBAC enabled clusters with mTLS

[mansisinha]

Why is rbac_super_users variable not present in the docs here? is it part of a separate PR? I see that var in 7.7.x PR

[rrbadiani]

Why is rbac_super_users variable not present in the docs here? is it part of a separate PR? I see that var in 7.7.x PR

Nice catch. There was some issue due to bumping version 2x for 7.8. I'll cover it in separate pr