GraphQL schema update

[github-actions]

🤖 This automated pull request brought to you by a GitHub action 🤖

The GraphQL schema has been updated and relay-compiler has been re-run on the package source. The new schema has been committed to this branch and pushed. None of the generated Relay source has changed as a result, so this should be a trivial merge 🚀

[codecov]

Codecov Report

Merging #2314 into master will increase coverage by <.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #2314      +/-   ##
==========================================
+ Coverage    93.3%   93.31%   +<.01%     
==========================================
  Files         228      228              
  Lines       12893    12893              
  Branches     1847     1847              
==========================================
+ Hits        12030    12031       +1     
+ Misses        863      862       -1

Impacted Files	Coverage Δ
lib/atom/gutter.js	92.85% <0%> (+2.38%)	⬆️

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