ref: Convert SentryScopeObserver to Swift

[noahsmartin]

Converts this protocol to Swift, closing https://linear.app/getsentry/issue/COCOA-716/convert-sentryscopeobserver-to-swift

#skip-changelog

[linear]

COCOA-716 Convert SentryScopeObserver to Swift

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.932%. Comparing base (466e905) to head (98b545e).
⚠️ Report is 3 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@              Coverage Diff              @@
##              main     #6431       +/-   ##
=============================================
- Coverage   86.943%   86.932%   -0.011%     
=============================================
  Files          447       447               
  Lines        37582     37582               
  Branches     17433     17436        +3     
=============================================
- Hits         32675     32671        -4     
  Misses        4865      4865               
- Partials        42        46        +4     

Files with missing lines	Coverage Δ
Sources/Sentry/SentryCrashIntegration.m	99.200% <ø> (ø)
Sources/Sentry/SentryDependencyContainer.m	90.376% <ø> (ø)
Sources/Sentry/SentryScope.m	97.065% <ø> (ø)

... and 10 files with indirect coverage changes

---

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[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1224.95 ms	1260.64 ms	35.69 ms
Size	23.75 KiB	1010.42 KiB	986.67 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
8e3a42f	1222.90 ms	1245.67 ms	22.77 ms
1fe932f	1231.92 ms	1253.44 ms	21.52 ms
2b02431	1229.63 ms	1248.98 ms	19.35 ms
2481950	1221.04 ms	1248.98 ms	27.94 ms
e4ba9a7	1219.82 ms	1230.89 ms	11.07 ms
ef2c9b3	1222.12 ms	1253.96 ms	31.84 ms
7d23639	1237.93 ms	1243.04 ms	5.11 ms
8bb3e37	1235.18 ms	1252.63 ms	17.45 ms
ae79d35	1227.15 ms	1252.55 ms	25.41 ms
7148f97	1235.09 ms	1258.07 ms	22.98 ms

App size

Revision	Plain	With Sentry	Diff
8e3a42f	23.75 KiB	880.06 KiB	856.31 KiB
1fe932f	23.75 KiB	913.63 KiB	889.88 KiB
2b02431	23.75 KiB	850.73 KiB	826.98 KiB
2481950	23.74 KiB	872.74 KiB	849.00 KiB
e4ba9a7	23.75 KiB	969.22 KiB	945.47 KiB
ef2c9b3	23.75 KiB	933.03 KiB	909.29 KiB
7d23639	23.75 KiB	891.01 KiB	867.26 KiB
8bb3e37	23.75 KiB	968.25 KiB	944.50 KiB
ae79d35	23.75 KiB	928.13 KiB	904.38 KiB
7148f97	23.75 KiB	854.78 KiB	831.03 KiB

Previous results on branch: convertSentryScopeObserverToSwift

Startup times

Revision	Plain	With Sentry	Diff
8904f90	1232.10 ms	1261.27 ms	29.17 ms
fd7859f	1223.51 ms	1254.12 ms	30.61 ms

App size

Revision	Plain	With Sentry	Diff
8904f90	23.75 KiB	1008.56 KiB	984.81 KiB
fd7859f	23.75 KiB	1006.39 KiB	982.64 KiB

[itaybre]

LGTM