Update benchmark.yml

Author: fkorotkov

.github/workflows/benchmark.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        image: [ "ghcr.io/cirruslabs/macos-runner:sequoia", "macos-15"]
+        image: [ "ghcr.io/cirruslabs/macos-runner:sequoia", "macos-latest-xlarge"]
     runs-on: ["${{ matrix.image }}"]
     steps:
       - uses: actions/checkout@v4