fix: Don't log internal exception for tornado user auth

[sl0thentr0py]

Issues

• resolves: TornadoIntegration causes "Internal error in sentry_sdk" when used with Celery Flower #5194
• resolves: PY-2004

[linear]

PY-2004 TornadoIntegration causes "Internal error in sentry_sdk" when used with Celery Flower

[codecov]

Codecov Report

❌ Patch coverage is 66.66667% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 84.20%. Comparing base (46676a9) to head (aa36240).
⚠️ Report is 1 commits behind head on master.
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
sentry_sdk/integrations/tornado.py	66.66%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5208      +/-   ##
==========================================
+ Coverage   82.87%   84.20%   +1.33%     
==========================================
  Files         181      181              
  Lines       18459    18463       +4     
  Branches     3287     3288       +1     
==========================================
+ Hits        15297    15546     +249     
+ Misses       2141     1902     -239     
+ Partials     1021     1015       -6     

Files with missing lines	Coverage Δ
sentry_sdk/integrations/tornado.py	84.54% <66.66%> (-1.31%)	⬇️

... and 14 files with indirect coverage changes