Use a different asset name for Ubuntu on arm64 binary assets

[remyroy]

Fixes #152

Changes

• Rework the build workflow to create assets with a different name on Ubuntu arm64 compared to Ubuntu amd64. See a recent build run to notice that they are currently both named amd64.

Types of changes

What types of changes does your code introduce?

• Bugfix (a non-breaking change that fixes an issue)
• New feature (a non-breaking change that adds functionality)
• Breaking change (a change that causes existing functionality not to work as expected)
• Optimization
• Refactoring
• Documentation update
• Build-related changes
• Other: Description

Testing

Requires testing

• Yes
• No

If yes, did you write tests?

• Yes
• No

Notes on testing

This will be tested during the next test release which should be in a few days.

Documentation

Requires documentation update

• Yes
• No

Requires explanation in Release Notes

• Yes
• No