Provide linux/arm64 image for alpine #795
Description
Summary of the new feature / enhancement
super-linter is preparing for arm64 support super-linter/super-linter#5070. It would be very helpful to have a alpine arm64 docker image.
Proposed technical implementation details (optional)
To have the musl-based arm64 release of PowerShell first: PowerShell/PowerShell#24552