drop macos 13

Author: tlambert03

.github/workflows/test_and_deploy.yml

@@ -37,12 +37,6 @@ jobs:
           - python-version: "3.9"
             os: ubuntu-latest
             add-group: pyside2
-          - python-version: "3.9"
-            os: macos-13
-            add-group: pyside2
-          - python-version: "3.9"
-            os: macos-13
-            add-group: pyqt5
           - python-version: "3.9"
             os: windows-latest
             add-group: pyqt5