Update python-pytest.yml

Author: lixfz

.github/workflows/python-pytest.yml

@@ -143,7 +143,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest,windows-latest, macos-11,]
+        os: [ubuntu-latest,windows-latest,]
         python-version: [3.8, ]
 
     steps: