devel/py-binaryornot: Update to 0.6.0

• Switch to the PEP517 build framework.

• Make the port concurrent safe as it installs a script outside of Python's site-lib directory.

• Update WWW to point to renamed upstream repository.

• Modernize the test suite as well.

Changelogs since 0.4.4:

https://github.com/binaryornot/binaryornot/releases/tag/v0.5.0
https://github.com/binaryornot/binaryornot/releases/tag/v0.6.0