[ci] update GHA MacOS runner

[evaleev]

MacOS builds were broken due to trying to obtain gcc@10 ... it's not used anyway

The issue triggered by the switch of macos-latest runners to Sonoma/M1 hw

• https://github.blog/changelog/2024-04-01-macos-14-sonoma-is-generally-available-and-the-latest-macos-runner-image/
• https://github.blog/changelog/2024-01-30-github-actions-introducing-the-new-m1-macos-runner-available-to-open-source/