Add pre-commit to the CI

[Fokko]

Description of Change

I noticed that pre-commit was changing some files, therefore I think it is good to add it to the CI to make sure that everything stays nice and clean.

Also bumped the versions while at it.

Assumptions

Checklist for All Submissions

• I have added change info to CHANGES.rst
• If this is resolving an issue (needed so future developers can determine if change is still necessary and under what conditions) (can be provided via link to issue with these details):
  • Detailed description of issue
  • Alternative methods considered (if any)
  • How issue is being resolved
  • How issue can be reproduced
• If this is providing a new feature (can be provided via link to issue with these details):
  • Detailed description of new feature
  • Why needed
  • Alternatives methods considered (if any)

Checklist when updating botocore and/or aiohttp versions

• I have read and followed CONTRIBUTING.rst
• I have updated test_patches.py where/if appropriate (also check if no changes necessary)
• I have ensured that the awscli/boto3 versions match the updated botocore version

[codecov]

Codecov Report

Merging #967 (5769028) into master (585d6ff) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #967   +/-   ##
=======================================
  Coverage   86.77%   86.77%           
=======================================
  Files          55       55           
  Lines        5322     5322           
=======================================
  Hits         4618     4618           
  Misses        704      704           

Flag	Coverage Δ
unittests	86.77% <ø> (ø)

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