Merge pull request #4132 from puremourning/ci-macos-update

Use macOS 12 in CI

Author: puremourning

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        runs-on: [ ubuntu-20.04, macos-10.15, windows-2019 ]
+        runs-on: [ ubuntu-20.04, macos-12, windows-2019 ]
         python-arch: [ 'x64' ]
         python-version: [ '3.8' ]
         include: