remove macos from test matrix

Author: SorooshMani-NOAA

.github/workflows/test.yml

@@ -40,7 +40,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ ubuntu-latest, macos-latest ]
+        os: [ ubuntu-latest ]
         python: [ '3.9', '3.10', '3.11' ]
     steps:
       - uses: actions/checkout@main