fix(typing): Set correct type for set_context everywhere

[sentrivana]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.57%. Comparing base (7b54cfb) to head (1917e26).
Report is 1 commits behind head on master.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4123      +/-   ##
==========================================
- Coverage   79.59%   79.57%   -0.03%     
==========================================
  Files         140      140              
  Lines       15581    15581              
  Branches     2643     2643              
==========================================
- Hits        12402    12398       -4     
- Misses       2343     2345       +2     
- Partials      836      838       +2     

Files with missing lines	Coverage Δ
sentry_sdk/tracing.py	77.73% <ø> (ø)

... and 1 file with indirect coverage changes

[antonpirker]

nice! thanks for super quick fix!