Merge #217

217: Update importlib_metadata to 3.1.1 r=duckinator a=pyup-bot


This PR updates [importlib_metadata](https://pypi.org/project/importlib_metadata) from **2.0.0** to **3.1.1**.



<details>
  <summary>Changelog</summary>
  
  
   ### 3.1.1
   ```
   ======
   ```
   
  
  
   ### 3.1.0
   ```
   ======

* Merge with 2.1.0.
   ```
   
  
  
   ### 3.0.0
   ```
   ======

* Require Python 3.6 or later.
   ```
   
  
  
   ### 2.1.1
   ```
   ======

* 261: Restored compatibility for package discovery for
  metadata without version in the name and for legacy
  eggs.
   ```
   
  
  
   ### 2.1.0
   ```
   ======

* 253: When querying for package metadata, the lookup
  now honors
  `package normalization rules &lt;https://packaging.python.org/specifications/recording-installed-packages/&gt;`_.
   ```
   
  
</details>


 

<details>
  <summary>Links</summary>
  
  - PyPI: https://pypi.org/project/importlib-metadata
  - Changelog: https://pyup.io/changelogs/importlib-metadata/
  - Repo: https://github.com/python/importlib_metadata
</details>



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

setup.cfg

@@ -33,7 +33,7 @@ install_requires =
     twine==3.2.0
     click==7.1.2
     coloredlogs==14.0
-    importlib_metadata==2.0.0
+    importlib_metadata==3.1.1
 
 tests_require =
     bork[testing]