ref: fix more types in tasks

[asottile-sentry]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 3 lines in your changes missing coverage. Please review.

Project coverage is 78.02%. Comparing base (ae2388a) to head (1114ee2).
Report is 2 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff             @@
##           master   #73581       +/-   ##
===========================================
+ Coverage   56.88%   78.02%   +21.14%     
===========================================
  Files        6628     6638       +10     
  Lines      296610   296909      +299     
  Branches    51082    51132       +50     
===========================================
+ Hits       168719   231675    +62956     
+ Misses     123180    58957    -64223     
- Partials     4711     6277     +1566     

Files	Coverage Δ
src/sentry/tasks/summaries/utils.py	95.18% <75.00%> (+59.16%)	⬆️
src/sentry/tasks/collect_project_platforms.py	86.66% <0.00%> (+47.38%)	⬆️

... and 1995 files with indirect coverage changes