revert

Author: echarlaix

.github/workflows/test_onnxruntime.yml

@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         transformers-version: ["latest"]
-        os: [ubuntu-20.04, windows-2019, macos-13]
+        os: [ubuntu-20.04, windows-2019, macos-15]
         include:
           - transformers-version: "4.36.*"
             os: ubuntu-20.04