Include arm64 in github_actions_architecture_map to support ARM Mac installations

[tedsteen]

Description

When running on a ARM mac (Mac Studio) it will report arm64 as the response when running arch.

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
• Small minor change not affecting the Ansible Role code (Github Actions Workflow, Documentation etc.)

How Has This Been Tested?

I just ran it with this in place and it was able to map it.

[MonolithProjects]

LGTM