Update python-test.yml

Author: shenxianpeng

.github/workflows/python-test.yml

@@ -78,7 +78,7 @@ jobs:
     strategy:
       matrix:
         version: [ 8, 9, 10, 11, 12, 12.0.1, 13, 14, 15, 16, 17, 18, 19, 20 ]
-        os: [ ubuntu-latest, macos-latest, windows-latest ]
+        os: [ ubuntu-latest, macos-13, windows-latest ]
       fail-fast: false
     runs-on: ${{ matrix.os }}
     steps: