[PATCH v2 0/1] MR5749: Draft: gitlab: Update configuration for the new Mac runner.

[Tim Clem (＠tclem)]

Two main changes:
- VM configuration in build.yml for the executor.
- The build-mac script is now architecture-agnostic.

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  v2: gitlab: Update configuration for the new Mac runner.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/5749