Remove Python 3.7 from macOS matrix (no osx-arm64 package available for that Python version)

Author: dalthviz

.github/workflows/ci.yml

@@ -110,7 +110,7 @@ jobs:
     strategy:
       fail-fast: false 
       matrix:
-        PYTHON_VERSION: ['3.7', '3.8', '3.9', '3.10']
+        PYTHON_VERSION: ['3.8', '3.9', '3.10']
     steps:
       - name: Checkout branch
         uses: actions/checkout@v3