Updated CI matrix to match OTIO core repo

Signed-off-by: Joshua Minor <jminor@users.noreply.github.com>

.github/workflows/ci.yaml

@@ -66,9 +66,21 @@ jobs:
       matrix:
         # Use macos-13 so we'll be on intel hardware and can pull a pre-built wheel
         # When OTIO has an Apple Silicon build we can switch back to macos-latest for that version
-        os: [ubuntu-latest, macos-13, windows-latest]
+        os: [ubuntu-latest, macos-13, windows-latest, macos-latest]
         otio-version: ["main", "0.17.0"]
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
+        include:
+          - { os: ubuntu-latest, shell: bash }
+          - { os: ubuntu-22.04, shell: bash, python-version: 3.7 }
+          - { os: macos-latest, shell: bash }
+          - { os: macos-13, shell: bash }
+          - { os: windows-latest, shell: pwsh }
+          - { os: windows-latest, shell: msys2, python-version: 'mingw64' }
+        exclude:
+          - { os: macos-latest, python-version: 3.7 }
+          - { os: macos-latest, python-version: 3.8 }
+          - { os: macos-latest, python-version: 3.9 }
+          - { os: ubuntu-latest, python-version: 3.7 }
 
     name: ${{ matrix.os }} py-${{ matrix.python-version }} otio-${{ matrix.otio-version }}
     runs-on: ${{ matrix.os }}