feat: Deserialize SentryBreadcrumb

[philipphofmann]

Add Decodable/Deserializing of SentryBreadcrumb.

This PR is based on #4724.

According to @denrase he added unknown in #2820 because we have this pattern also in Java and Dart. We don't have this pattern anywhere else in Cocoa. So, IMO we should either remove it for SentryBreadcrumb or also add it for all other classes. This decision shouldn't block this PR at the moment. I added an item to #4724, so we don't forget about it.

#skip-changelog

[github-actions]

	Messages
📖	Do not forget to update Sentry-docs with your feature once the pull request gets approved.

Generated by 🚫 dangerJS against 6dce11e

[philprime]

LGTM, even though I do not fully understand the "unknown" field

[philipphofmann]

LGTM, even though I do not fully understand the "unknown" field

When you call initWithDict on the breadcrumb class we keep unknown properties and serialize them. This gives you extra flexibility for hybrid SDKs. They could add a breadcrumb property without having the Cocoa SDK actually adding the properly. I don't see any strong use cases for this and as other classes don't have it on Cocoa, I would actually vote for removing it for simplicity.

[philprime]

Did you align this with the Hybrid SDK maintainers? We should not break expected behavior.

[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1223.96 ms	1243.19 ms	19.23 ms
Size	22.31 KiB	801.48 KiB	779.17 KiB

Baseline results on branch: feat/deserializing-events

Startup times

Revision	Plain	With Sentry	Diff
378d4bd	1216.53 ms	1241.19 ms	24.66 ms
04e8394	1223.24 ms	1244.33 ms	21.08 ms
74e111a	1229.31 ms	1244.63 ms	15.33 ms
8dae1f6	1212.60 ms	1226.52 ms	13.93 ms
4dc265c	1221.31 ms	1238.55 ms	17.24 ms
8a562cc	1228.57 ms	1245.18 ms	16.60 ms

App size

Revision	Plain	With Sentry	Diff
378d4bd	22.31 KiB	784.05 KiB	761.73 KiB
04e8394	22.31 KiB	771.93 KiB	749.62 KiB
74e111a	22.31 KiB	800.12 KiB	777.80 KiB
8dae1f6	22.31 KiB	772.51 KiB	750.20 KiB
4dc265c	22.31 KiB	798.21 KiB	775.90 KiB
8a562cc	22.31 KiB	773.33 KiB	751.02 KiB

Previous results on branch: feat/deserializing-sentry-breadcrumb

Startup times

Revision	Plain	With Sentry	Diff
d6417cb	1220.67 ms	1233.20 ms	12.53 ms

App size

Revision	Plain	With Sentry	Diff
d6417cb	22.31 KiB	798.81 KiB	776.49 KiB

[philipphofmann]

Did you align this with the Hybrid SDK maintainers? We should not break expected behavior.

I will do before merging #4724.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.439%. Comparing base (7267335) to head (6dce11e).
Report is 1 commits behind head on feat/deserializing-events.

Additional details and impacted files

@@                       Coverage Diff                       @@
##           feat/deserializing-events     #4785       +/-   ##
===============================================================
+ Coverage                     91.435%   91.439%   +0.004%     
===============================================================
  Files                            642       643        +1     
  Lines                          75593     75652       +59     
  Branches                       26542     26558       +16     
===============================================================
+ Hits                           69119     69176       +57     
- Misses                          6379      6382        +3     
+ Partials                          95        94        -1     

Files with missing lines	Coverage Δ
Sources/Sentry/SentryLevelHelper.m	100.000% <100.000%> (ø)
...ift/Protocol/Codable/SentryBreadcrumbCodable.swift	100.000% <100.000%> (ø)
...s/SentryTests/Protocol/SentryBreadcrumbTests.swift	100.000% <100.000%> (ø)

... and 12 files with indirect coverage changes

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