test on macOS latest (#585)

Author: palday

.github/workflows/ci.yml

@@ -75,7 +75,7 @@ jobs:
                           -e 's/"$//g')
           VERIFY_DEFAULT=0 dev/release/verify_rc.sh ${version} 100
   test:
-    name: ${{ matrix.pkg.name }} - Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ matrix.nthreads }} threads - ${{ github.event_name }}
+    name: ${{ matrix.pkg.name }} - Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.nthreads }} threads - ${{ github.event_name }}
     runs-on: ${{ matrix.os }}
     timeout-minutes: 45
     strategy:
@@ -93,15 +93,15 @@ jobs:
           - 'pre' # expands to latest alpha, beta or RC, if available, otherwise same as `1`
         os:
           - ubuntu-latest
-        arch:
-          - x64
-        nthreads: [1, 2]
+          - macos-latest
+        nthreads:
+          - 1
+          - 2
     steps:
       - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
-          arch: ${{ matrix.arch }}
       - uses: actions/cache@v5
         env:
           cache-name: cache-artifacts