Add missing stack trames

[antonpirker]

Add the stack frame that happened before the try/except block to the exception event that is sent to Sentry.

There should be options

• to enable/disable this (enabled by default)
• limit the maximum number of stack frames to the event

Fixes #3646

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 94.44444% with 1 line in your changes missing coverage. Please review.

Project coverage is 79.95%. Comparing base (e7130e8) to head (9f8bc18). Report is 7 commits behind head on master.

:white_check_mark: All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
sentry_sdk/utils.py	93.75%	0 Missing and 1 partial :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3673      +/-   ##
==========================================
+ Coverage   79.94%   79.95%   +0.01%     
==========================================
  Files         137      137              
  Lines       15421    15437      +16     
  Branches     2614     2619       +5     
==========================================
+ Hits        12328    12343      +15     
  Misses       2223     2223              
- Partials      870      871       +1     

Files with missing lines	Coverage Δ
sentry_sdk/consts.py	93.27% <100.00%> (+0.06%)	:arrow_up:
sentry_sdk/utils.py	83.96% <93.75%> (+0.15%)	:arrow_up:

... and 2 files with indirect coverage changes