[issue-815] Add legacy os macos-13 to CI

Signed-off-by: Meret Behrens <[email protected]>

Author: meretp

.github/workflows/check_codestyle.yml

@@ -24,6 +24,9 @@ jobs:
         exclude: # see https://github.com/actions/runner-images/issues/9770#issuecomment-2085623315
           - python-version: "3.7"
             os: macos-latest
+        include:
+          - python-version: "3.7"
+            os: macos-13
 
     steps:
       - uses: actions/checkout@v3

.github/workflows/install_and_test.yml

@@ -21,6 +21,9 @@ jobs:
         exclude: # see https://github.com/actions/runner-images/issues/9770#issuecomment-2085623315
           - python-version: "3.7"
             os: macos-latest
+        include:
+          - python-version: "3.7"
+            os: macos-13
 
     steps:
       - uses: actions/checkout@v3