[issue-815] fix CI for Python 3.7 on MacOS

Python 3.7 had to be removed completely as even the runner on older macos did not start.

Signed-off-by: Armin Tänzer <armin.taenzer@tngtech.com>

Author: armintaenzertng

.github/workflows/check_codestyle.yml

@@ -21,6 +21,9 @@ jobs:
       matrix:
         os: [ ubuntu-latest, macos-latest, windows-latest ]
         python-version: [ "3.7", "3.8", "3.9", "3.10", "3.11" ]
+        exclude: # see https://github.com/actions/runner-images/issues/9770#issuecomment-2085623315
+          - python-version: "3.7"
+            os: macos-latest
 
     steps:
       - uses: actions/checkout@v3

.github/workflows/install_and_test.yml

@@ -18,6 +18,9 @@ jobs:
       matrix:
         os: [ ubuntu-latest, macos-latest, windows-latest ]
         python-version: [ "3.7", "3.8", "3.9", "3.10", "3.11" ]
+        exclude: # see https://github.com/actions/runner-images/issues/9770#issuecomment-2085623315
+          - python-version: "3.7"
+            os: macos-latest
 
     steps:
       - uses: actions/checkout@v3