Bump astroid from 1.6.3 to 2.3.0

[dependabot-preview]

Bumps astroid from 1.6.3 to 2.3.0.

Changelog

Sourced from astroid's changelog.

What's New in astroid 2.3.0?

Release Date: 2019-09-24

• Add a brain tip for subprocess.check_output

  Close #689

• Remove NodeNG.nearest method because of lack of usage in astroid and pylint.

  Close #691

• Allow importing wheel files. Close #541

• Annotated AST follows PEP8 coding style when converted to string.

• Fix a bug where defining a class using type() could cause a DuplicateBasesError.

  Close #644

• Dropped support for Python 3.4.

• Numpy brain support is improved.

  Numpy's fundamental type numpy.ndarray has its own brain : brain_numpy_ndarray and
  each numpy module that necessitates brain action has now its own numpy brain :

  • numpy.core.numeric
  • numpy.core.function_base
  • numpy.core.multiarray
  • numpy.core.numeric
  • numpy.core.numerictypes
  • numpy.core.umath
  • numpy.random.mtrand

  Close PyCQA/pylint#2865
  Close PyCQA/pylint#2747
  Close PyCQA/pylint#2721
  Close PyCQA/pylint#2326
  Close PyCQA/pylint#2021

• assert only functions are properly inferred as returning None

  Close #668

• Add support for Python 3.8's NamedExpr nodes, which is part of assignment expressions.

  Close #674

• Added support for inferring IfExp nodes.

... (truncated)

Commits

• ff97852 Use a token to do the pypi releases
• d8ed3f1 Clean new pylint errors from the codebase
• e22858b Prepare 2.3.0
• 6076874 Skip test that does not work on Python 3.8 due to library differences
• 5e58069 Update http brain tips to support phrase and description
• da9b0b3 Fix linting errors
• ca33d65 Make the version a dev one for now
• 5259dfa Add a brain tip for subprocess.check_output
• fb9f882 Remove copyright header and simplify the files to a simple class
• 6161910 Remove NodeNG.nearest method (#692)
• Additional commits viewable in compare view

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