Update build_and_test.yaml

.github/workflows/build_and_test.yaml

@@ -6,7 +6,7 @@ jobs:
   build_and_test:
     strategy:
       matrix:
-        os: ['ubuntu-latest','windows-latest','macos-latest']
+        os: ['ubuntu-latest']
         blender_version: ['3.6.7','4.0.2']
     runs-on: ${{matrix.os}}
     steps: