Is your enhancement proposal related to a problem? Please describe.
Refer to: zephyrproject-rtos/zephyr#28932

Describe the solution you'd like
Refer to: zephyrproject-rtos/zephyr#28932 (comment)

Describe alternatives you've considered
NA

Additional context
NA

Resurrecting the second bullet from #1334

• Figure out how to fix favicon / logo more generally (here's a start https://github.com/tock/tock/tree/doc-updates)

Implement some test cases for standard memset()

In our workflows we use set-env and this is being turned off. We just need to move to using the new environment file.

See this for migration:
https://github.blog/changelog/2020-10-01-github-actions-deprecating-set-env-and-add-path-commands/

Create a new C# class library that "taps" into the existing native methods and makes them available to managed apps.