Try macOS-12

Author: kbarros

Diff for: .github/workflows/CI.yml

@@ -25,12 +25,12 @@ jobs:
         os:
           - ubuntu-latest
           - windows-latest
-          - macOS-13
+          - macOS-12
         arch:
           - x64
           - x86
         exclude:
-          - os: macOS-13
+          - os: macOS-12
             arch: x86
     steps:
       - uses: actions/checkout@v3