CI updates: use non-zipped artifacts and macos-26 runners in GitHub workflows#647

Merged

MatthewFluet merged 3 commits intoMLton:masterfrom

MatthewFluet:ci-updates

Feb 27, 2026

Commits on Feb 27, 2026

Use `actions/upload-artifact@v7` to upload non-zipped artifact
MatthewFluet
committed
Add `macos-26-intel` runner to binary-release workflow
MatthewFluet
committed
Switch from `macos-15{,-intel}` to `macos-26{,-intel}` for CI
MatthewFluet
committed