Add support for creating a pull request.

[jackton1]

• bumpversion:

Description

Update to create a Pull request.

    steps:
    - uses: actions/checkout@v2
      
    - name: Run isort
      uses: olance/[email protected]
      with:
        args: .
      
    - name: Commit changes
      run: |
        git config --local user.email "[email protected]"
        git config --local user.name "GitHub Action"
        git add -A && git diff-index --cached --quiet HEAD || git commit -m 'isort'
      
    - name: Push changes
      uses: ad-m/[email protected]
      with:
        github_token: ${{ secrets.GITHUB_TOKEN }}