ref: fix types for integrations tasks

[asottile-sentry]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 85.71429% with 1 line in your changes missing coverage. Please review.

Project coverage is 78.04%. Comparing base (29ff72e) to head (929ada7).
Report is 9 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #72898      +/-   ##
==========================================
+ Coverage   73.27%   78.04%   +4.76%     
==========================================
  Files        6602     6604       +2     
  Lines      294280   294425     +145     
  Branches    50731    50757      +26     
==========================================
+ Hits       215645   229784   +14139     
+ Misses      72049    58306   -13743     
+ Partials     6586     6335     -251     

Files	Coverage Δ
src/sentry/tasks/integrations/github/utils.py	100.00% <100.00%> (+2.32%)	⬆️
src/sentry/tasks/integrations/sync_metadata.py	100.00% <100.00%> (ø)
...ntry/tasks/integrations/vsts/subscription_check.py	80.95% <66.66%> (+0.95%)	⬆️

... and 843 files with indirect coverage changes