[3.12] gh-145098: Use macos-26-intel instead of macos-15-intel (GH-149991)

hugovk · hugovk · commit eae951bef95f · 2026-07-06T13:52:04.000+03:00
This reverts commit cb76ab3. (cherry picked from commit 517d3d2) Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
@@ -224,16 +224,16 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        # macos-26 is Apple Silicon, macos-15-intel is Intel.
-        # macos-15-intel only runs tests against the GIL-enabled CPython.
+        # macos-26 is Apple Silicon, macos-26-intel is Intel.
+        # macos-26-intel only runs tests against the GIL-enabled CPython.
         os:
         - macos-26
-        - macos-15-intel
+        - macos-26-intel
         free-threading:
         - false
         # - true
         exclude:
-        - os: macos-15-intel
+        - os: macos-26-intel
           free-threading: true
     uses: ./.github/workflows/reusable-macos.yml
     with:
