updated python and runner versions

Signed-off-by: apetrynet <flehnerheener@gmail.com>

Author: apetrynet

.github/workflows/ci.yaml

@@ -19,11 +19,9 @@ jobs:
   test-plugin:
     strategy:
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
-        # 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]
-        otio-version: ["0.17.0", "main"]
+        python-version: ["3.9", "3.10", "3.11" ,"3.12"]
+        os: [ubuntu-latest, macos-14, macos-15-intel, windows-latest]
+        otio-version: ["0.18.1" "main"]
 
     runs-on: ${{ matrix.os }}