CI: unify matrix to lts/1/pre/nightly × native arch per OS

.github/workflows/ci.yml

@@ -21,18 +21,19 @@ jobs:
   test:
     name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ matrix.loopvectorization_test }} - ${{ github.event_name }}
     runs-on: ${{ matrix.os }}
+    continue-on-error: ${{ matrix.version == 'pre' || matrix.version == 'nightly' }}
     strategy:
       fail-fast: false
       matrix:
         version:
           - 'lts'
           - '1' # automatically expands to the latest stable 1.x release of Julia.
           - 'pre'
+          - 'nightly'
         os:
           - ubuntu-latest
+          - macOS-latest
           - windows-latest
-        arch:
-          - x64
         loopvectorization_test:
           - part1
           - part2
@@ -41,54 +42,15 @@ jobs:
           - part5
           - part6
         include:
-          - version: 'lts'
-            os: macOS-latest
+          # Native arch per OS. `macOS-latest` is Apple silicon since the
+          # 2024 GitHub Actions image bump; use aarch64 there and x64
+          # everywhere else.
+          - os: ubuntu-latest
+            arch: x64
+          - os: macOS-latest
             arch: aarch64
-            loopvectorization_test: part1
-          - version: 'lts'
-            os: macOS-latest
-            arch: aarch64
-            loopvectorization_test: part2
-          - version: 'lts'
-            os: macOS-latest
-            arch: aarch64
-            loopvectorization_test: part3
-          - version: 'lts'
-            os: macOS-latest
-            arch: aarch64
-            loopvectorization_test: part4
-          - version: 'lts'
-            os: macOS-latest
-            arch: aarch64
-            loopvectorization_test: part5
-          - version: 'lts'
-            os: macOS-latest
-            arch: aarch64
-            loopvectorization_test: part6
-          - version: '1'
-            os: macOS-latest
-            arch: aarch64
-            loopvectorization_test: part1
-          - version: '1'
-            os: macOS-latest
-            arch: aarch64
-            loopvectorization_test: part2
-          - version: '1'
-            os: macOS-latest
-            arch: aarch64
-            loopvectorization_test: part3
-          - version: '1'
-            os: macOS-latest
-            arch: aarch64
-            loopvectorization_test: part4
-          - version: '1'
-            os: macOS-latest
-            arch: aarch64
-            loopvectorization_test: part5
-          - version: '1'
-            os: macOS-latest
-            arch: aarch64
-            loopvectorization_test: part6
+          - os: windows-latest
+            arch: x64
     steps:
       - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
@@ -111,9 +73,10 @@ jobs:
           JULIA_NUM_THREADS: 4
           LOOPVECTORIZATION_TEST: ${{ matrix.loopvectorization_test }}
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v5
         with:
-          file: lcov.info
+          files: lcov.info
+          token: ${{ secrets.CODECOV_TOKEN }}
   docs:
     name: Documentation
     runs-on: ubuntu-latest