Merge pull request #4064 from AkihiroSuda/ci-macos-26-no-virt

CI: use macos-26 for release and lint jobs

Author: AkihiroSuda

.github/workflows/release.yml

@@ -26,7 +26,7 @@ jobs:
     # Apparently, a binary built on a newer version of macOS can still run on
     # an older release of macOS without an error.
     # This is quite different from Linux and glibc.
-    runs-on: macos-15
+    runs-on: macos-26
     timeout-minutes: 20
     steps:
     - name: "Show xcode and SDK version"

.github/workflows/test.yml

@@ -69,7 +69,7 @@ jobs:
     timeout-minutes: 30
     strategy:
       matrix:
-        runs-on: [ubuntu-24.04, macos-15, windows-2025]
+        runs-on: [ubuntu-24.04, macos-26, windows-2025]
     runs-on: ${{ matrix.runs-on }}
     steps:
     - name: Force git to use LF