[ci] Use the same upgrade script on Mac

[fkorotkov]

Description

This also fetches master that will populate FETCH_HEAD

Related Issues

See #1864

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[fkorotkov]

I wonder why incremental_build.sh wasn't failing the build. 🤔

[collinjackson]

Thanks for the fix!

I wonder why incremental_build.sh wasn't failing the build. 🤔

I opened #1870 to address the issue ofincremental_build.sh not failing the build. I'll merge this change once I've convinced myself that it's working.