Update macos version in CI

Author: sebheger

.github/workflows/github-ci.yml

@@ -38,13 +38,13 @@ jobs:
       matrix:
         # temporarily downgraded to 3.7.9 and 3.8.10 due to a bug https://github.com/actions/setup-python/issues/402
         python-version: ["3.7.9", "3.8.10", "3.9.13", "3.10.4", "pypy3.9-v7.3.9"]
-        os: [macos-10.15, macos-11, ubuntu-18.04, ubuntu-20.04, windows-2019, windows-2022]
+        os: [macos-11, macos-12, ubuntu-18.04, ubuntu-20.04, windows-2019, windows-2022]
         exclude:
           # temporarily exclude pypy3 on mac-os as there failing tests caused by bug on cbc side
-          - os: macos-10.15
-            python-version: "pypy3.9-v7.3.9"
           - os: macos-11
             python-version: "pypy3.9-v7.3.9"
+          - os: macos-12
+            python-version: "pypy3.9-v7.3.9"
           # temporarily exclude pypy3 on ubuntu-18.04 as there an issue with installing numpy
           - os: ubuntu-18.04
             python-version: "pypy3.9-v7.3.9"