Exclude automated formatting PRs from git blame

[RMeli]

Developers certificate of origin

• I certify that this contribution is covered by the LGPLv2.1+ license as defined in our LICENSE and adheres to the Developer Certificate of Origin.

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📚 Documentation preview 📚: https://mdanalysis--4886.org.readthedocs.build/en/4886/

[RMeli]

Wait for #4885 (and add it here). [I can't review-block my own PR.]

[orbeckst]

lgtm, just a suggestion to use the comments in the blame file to point people to #2450 .

[orbeckst]

I assign you and then you can merge when ready (with my pre-approval).

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.63%. Comparing base (5eef341) to head (ff6045f).
Report is 2 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #4886      +/-   ##
===========================================
- Coverage    93.66%   93.63%   -0.03%     
===========================================
  Files          177      189      +12     
  Lines        21795    22861    +1066     
  Branches      3067     3067              
===========================================
+ Hits         20414    21407     +993     
- Misses         929     1002      +73     
  Partials       452      452              

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[orbeckst]

nice

[RMeli]

Before this PR, git blame was assigning a lot of things to me (as expected):

After this PR, git blame shows the same authorship as before the formatting PRs:

(In the latter screenshot the original author is not shown because it is outside of the screen, but it is indeed the correct one.)