Bump macos-14 to macos-26 to build iOS (#445)

Author: hugovk

.github/workflows/build-release.yml

@@ -44,8 +44,8 @@ env:
   FORCE_COLOR: 1
   # Set from inputs for workflow_dispatch, or set defaults to test push/PR events
   GIT_REMOTE: ${{ github.event.inputs.git_remote || 'python' }}
-  GIT_COMMIT: ${{ github.event.inputs.git_commit || '55ea59e7dc35e1363b203ae4dd9cfc3a0ac0a844' }}
-  CPYTHON_RELEASE: ${{ github.event.inputs.cpython_release || '3.15.0a8' }}
+  GIT_COMMIT: ${{ github.event.inputs.git_commit || '8a8eb0b90d40f0e03f8252e9f73cad156e1caca8' }}
+  CPYTHON_RELEASE: ${{ github.event.inputs.cpython_release || '3.15.0rc3' }}
 
 jobs:
   verify-input:
@@ -85,8 +85,9 @@ jobs:
 
       - name: "Verify CPython commit matches tag"
         run: |
-          if [[ "$GIT_COMMIT" != "$(cd cpython && git rev-parse HEAD)" ]]; then
-            echo "expected git commit ('$GIT_COMMIT') didn't match tagged commit ('$(git rev-parse HEAD)')"
+          tagged_commit="$(cd cpython && git rev-parse HEAD)"
+          if [[ "$GIT_COMMIT" != "$tagged_commit" ]]; then
+            echo "expected git commit ('$GIT_COMMIT') didn't match tagged commit ('$tagged_commit')"
             exit 1
           fi
 
@@ -308,7 +309,7 @@ jobs:
     needs:
       - verify-input
     if: fromJSON(needs.verify-input.outputs.build-ios)
-    runs-on: macos-14
+    runs-on: macos-26
     timeout-minutes: 60
     steps:
       - name: "Checkout ${{ env.GIT_REMOTE }}/cpython"