fix: Concurrency crash for Swift 6

[brustolin]

📜 Description

Swift 6 introduce some concurrency checks to avoid race conditions, but objc does not have this features.
We need to annotate of callbacks so swift knows how it will be used.

💡 Motivation and Context

Close #4509

💚 How did you test it?

Samples and UITest

📝 Checklist

You have to check all boxes before merging:

• I reviewed the submitted code.
• I added tests to verify the changes.
• No new PII added or SDK only sends newly added PII if sendDefaultPII is enabled.
• I updated the docs if needed.
• Review from the native team if needed.
• No breaking change or entry added to the changelog.
• No breaking change for hybrid SDKs or communicated to hybrid SDKs.

🔮 Next steps

[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1234.47 ms	1252.08 ms	17.61 ms
Size	22.30 KiB	730.10 KiB	707.80 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
6bc5ae5	1207.23 ms	1216.66 ms	9.43 ms
65e48e0	1223.68 ms	1238.96 ms	15.28 ms
5616e0a	1224.12 ms	1249.86 ms	25.74 ms
6943de0	1230.02 ms	1235.32 ms	5.30 ms
3db3e35	1233.52 ms	1256.43 ms	22.90 ms
aea5987	1223.84 ms	1244.39 ms	20.55 ms
ed49f0c	1245.67 ms	1261.15 ms	15.48 ms
20a828b	1211.33 ms	1228.00 ms	16.67 ms
af1f4dd	1225.39 ms	1245.48 ms	20.09 ms
50bb751	1234.10 ms	1248.29 ms	14.19 ms

App size

Revision	Plain	With Sentry	Diff
6bc5ae5	20.76 KiB	401.39 KiB	380.63 KiB
65e48e0	21.90 KiB	708.34 KiB	686.44 KiB
5616e0a	22.85 KiB	407.44 KiB	384.59 KiB
6943de0	20.76 KiB	393.33 KiB	372.57 KiB
3db3e35	21.58 KiB	419.21 KiB	397.63 KiB
aea5987	21.58 KiB	418.13 KiB	396.54 KiB
ed49f0c	21.58 KiB	632.13 KiB	610.55 KiB
20a828b	21.58 KiB	670.99 KiB	649.41 KiB
af1f4dd	22.85 KiB	414.71 KiB	391.86 KiB
50bb751	21.58 KiB	417.86 KiB	396.27 KiB

Previous results on branch: fix/sendabla-callback

Startup times

Revision	Plain	With Sentry	Diff
371a05e	1239.55 ms	1261.59 ms	22.04 ms

App size

Revision	Plain	With Sentry	Diff
371a05e	21.90 KiB	726.89 KiB	704.99 KiB

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.519%. Comparing base (05ac767) to head (4529c3e).
Report is 3 commits behind head on main.

Additional details and impacted files

@@              Coverage Diff              @@
##              main     #4512       +/-   ##
=============================================
+ Coverage   91.465%   91.519%   +0.053%     
=============================================
  Files          615       615               
  Lines        68992     69473      +481     
  Branches     24753     24923      +170     
=============================================
+ Hits         63104     63581      +477     
- Misses        5795      5800        +5     
+ Partials        93        92        -1     

see 39 files with indirect coverage changes

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[philipphofmann]

This looks great. I'm only waiting for CI to be green. Thanks for adding a sample

[brustolin]

This looks great. I'm only waiting for CI to be green. Thanks for adding a sample

Ci is drunk today.

[philipphofmann]

Thanks for adding a sample. Maybe it makes sense to use SwiftUI; see comment. LGTM.