Add more sensitive headers

[asfaltboy]

These headers should cover a few more headers that are commonly used, with the same method.

Note: this PR does relate to #646 but does not fully "fix it".

The additional headers were mostly copy pasted from the sentry-python SDK, and canonicalized just in case.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.47%. Comparing base (75290c7) to head (e47aaa5).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1008      +/-   ##
==========================================
+ Coverage   85.41%   85.47%   +0.05%     
==========================================
  Files          55       55              
  Lines        5486     5486              
==========================================
+ Hits         4686     4689       +3     
+ Misses        655      653       -2     
+ Partials      145      144       -1     

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[cleptric]

I'm fine with this, but please remove the Python specific comments.

[asfaltboy]

I'm fine with this, but please remove the Python specific comments.

I've removed all comments in asfaltboy@190dfb7

I also left a backlink to where I snagged these off in sentry-pythong in the PR description. Hopefully that would suffice in the future to help us understand why these headers have been added.

[pavel-savchenko-deel]

Hey @cleptric , thanks for correcting the PR and merging it promptly 🙇

Is there an estimated date for the release that this change would land in?

[cleptric]

Can't give you an estimate right now.