Cross-Plattform Crash Reporting

[strseb]

Description

This PR adds experimental crash reporting support using sentry-native. The feature is disabled by default, only enabled when we're on guardian-stage.

By Crossplattform, i mean osx and windows for now :) - Linux should be straightforward to add, i don't have a vm to test that on right now.

Android & iOS are theoretically supported. We need to either figurre out how to get this into the qmake structure, or port those plattforms finally to cmake again like (#4301)

##Ref https://mozilla-hub.atlassian.net/browse/VPN-2822

Checklist

• [x] My code follows the style guidelines for this project
• [ ] I have not added any packages that contain high risk or unknown licenses (GPL, LGPL, MPL, etc. consult with DevOps if in question) -> I DID.
• [x] I have performed a self review of my own code
• [x] I have commented my code PARTICULARLY in hard to understand areas
• [ ] I have added thorough tests where needed

[codecov-commenter]

Codecov Report

Base: 37.23% // Head: 35.50% // Decreases project coverage by -1.72% :warning:

Coverage data is based on head (21664db) compared to base (46f177c). Patch coverage: 0.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4455      +/-   ##
==========================================
- Coverage   37.23%   35.50%   -1.73%     
==========================================
  Files         325      328       +3     
  Lines       21699    22038     +339     
  Branches    11739    11832      +93     
==========================================
- Hits         8079     7825     -254     
- Misses       6080     6778     +698     
+ Partials     7540     7435     -105     

Flag	Coverage Δ
functional_tests	22.32% <0.00%> (-5.12%)	:arrow_down:
lottie_tests	23.06% <ø> (ø)
unit_tests	34.14% <0.00%> (+0.68%)	:arrow_up:

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
src/commands/commandui.cpp	38.61% <ø> (-1.39%)	:arrow_down:
src/constants.h	20.00% <ø> (-2.23%)	:arrow_down:
src/featureslist.h	0.00% <0.00%> (ø)
src/mozillavpn.cpp	23.58% <0.00%> (-0.65%)	:arrow_down:
src/networkrequest.cpp	17.91% <0.00%> (-0.85%)	:arrow_down:
src/networkrequest.h	0.00% <ø> (-50.00%)	:arrow_down:
src/tasks/sentry/tasksentry.cpp	0.00% <0.00%> (ø)
src/tasks/addonindex/taskaddonindex.h	0.00% <0.00%> (-100.00%)	:arrow_down:
src/captiveportal/captiveportalrequest.h	0.00% <0.00%> (-100.00%)	:arrow_down:
src/tasks/removedevice/taskremovedevice.h	0.00% <0.00%> (-100.00%)	:arrow_down:
... and 113 more

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