Updates for approved Helm SUPs

[phil-abb]

Description

• Updates to the general website content to indicate support for Helm v3 and v4 based on the approved SUP
• Updates to the general website content to indicate restricted function support with Helm based on the approved SUP

This PR is for the general website content. There is a companion PR in the specification repo for the changes to the specification content.

This read me file in the documentation_website repo gives information on how to render the website locally.

Change Type

Please select the relevant options:

• Fix (change that resolves an issue)
• New enhancement (change that adds specification content)
• Content edits (change that edits existing content)

Checklist

• I have read the CONTRIBUTING document.
• My changes adhere to the established patterns, and best practices.