Log Message:
py-pep517: updated to 0.11.0

0.11
- Support editable hooks (`PEP 660 \ 
<https://www.python.org/dev/peps/pep-0660/>`_).
- Use the TOML 1.0 compliant ``tomli`` parser module on Python 3.6 and above.
- Ensure TOML files are always read as UTF-8.
- Switch CI to Github actions.