Updated python build matrix to drop 3.7 and support 3.10 and 3.11

      fail-fast: false

      matrix:

       os: [ubuntu-latest, macos-latest]

       python-version: ["3.7", "3.8", "3.9"]

       python-version: ["3.8", "3.9", "3.10", "3.11"]

    defaults:

      run:

        shell: bash -l {0}