Implement PEP 517 build-backend. Bump setuptools and setuptools_scm...

Implement PEP 517 build-backend. Bump setuptools and setuptools_scm requirements and rely on those later versions to simplify the setup.
9 jobs for feature/pep517-build in 4 minutes and 23 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Test
passed #418192917
benchmark

00:01:55

passed #418192916
coverage

00:02:41

passed #418192918
diffcov

00:02:44

passed #418192919
docs

00:01:54

passed #418192914
qa

00:01:50

passed #418192915
tests

00:02:35

 
  Codecov
passed #418192920
codecov

00:01:38

 
  External
passed codecov/patch

passed codecov/project

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