Fix swagger docs

[ethantkoenig]

See #3297 and #3298.

[codecov-io]

Codecov Report

Merging #3300 into master will increase coverage by 0.01%.
The diff coverage is 0%.

@@            Coverage Diff             @@
##           master    #3300      +/-   ##
==========================================
+ Coverage   34.82%   34.84%   +0.01%     
==========================================
  Files         277      277              
  Lines       40271    40271              
==========================================
+ Hits        14026    14033       +7     
+ Misses      24186    24175      -11     
- Partials     2059     2063       +4

Impacted Files	Coverage Δ
routers/api/v1/repo/issue.go	35.68% <0%> (ø)	⬆️
models/repo.go	43.2% <0%> (-0.19%)	⬇️
models/repo_indexer.go	52.91% <0%> (+0.97%)	⬆️
modules/indexer/repo.go	67.82% <0%> (+6.95%)	⬆️

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