Merge #79

79: Update astroid to 2.5.8 r=aragilar a=pyup-bot


This PR updates [astroid](https://pypi.org/project/astroid) from **2.5.7** to **2.5.8**.



<details>
  <summary>Changelog</summary>
  
  
   ### 2.5.8
   ```
   ============================
Release Date: 2021-06-07

* Improve support for Pattern Matching

* Add lineno and col_offset for ``Keyword`` nodes and Python 3.9+

* Add global inference cache to speed up inference of long statement blocks

* Add a limit to the total number of nodes inferred indirectly as a result
  of inferring some node
   ```
   
  
</details>


 

<details>
  <summary>Links</summary>
  
  - PyPI: https://pypi.org/project/astroid
  - Changelog: https://pyup.io/changelogs/astroid/
  - Repo: https://github.com/PyCQA/astroid
</details>



Co-authored-by: pyup-bot <github-bot@pyup.io>

pylint-requirements.txt

@@ -1,2 +1,2 @@
-astroid==2.5.7
+astroid==2.5.8
 pylint==2.8.2