ref: Convert SentryFeedbackAPI to Swift

[noahsmartin]

Just converts this class to Swift. I'll get rid of the wrapper in a follow up PR after converting the Integration class to Swift

#skip-changelog

Closes #6865

[codecov]

Codecov Report

❌ Patch coverage is 0% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 84.840%. Comparing base (5fcb6a1) to head (02a1c4e).
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
.../Integrations/UserFeedback/SentryFeedbackAPI.swift	0.000%	4 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##              main     #6864       +/-   ##
=============================================
+ Coverage   84.650%   84.840%   +0.190%     
=============================================
  Files          452       453        +1     
  Lines        27603     27607        +4     
  Branches     12098     12103        +5     
=============================================
+ Hits         23366     23422       +56     
+ Misses        4191      4141       -50     
+ Partials        46        44        -2     

Files with missing lines	Coverage Δ
Sources/Sentry/SentryFeedbackAPIHelper.m	0.000% <ø> (ø)
Sources/Sentry/SentrySDKInternal.m	85.140% <ø> (ø)
.../Integrations/UserFeedback/SentryFeedbackAPI.swift	0.000% <0.000%> (ø)

... and 10 files with indirect coverage changes

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[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1213.06 ms	1245.46 ms	32.40 ms
Size	24.14 KiB	1.01 MiB	1014.95 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
1339919	1214.82 ms	1238.98 ms	24.16 ms
319fb1e	1219.48 ms	1242.69 ms	23.21 ms
3ec47ae	1231.02 ms	1256.67 ms	25.65 ms
e58d7bf	1219.98 ms	1242.39 ms	22.41 ms
85f7349	1232.28 ms	1248.27 ms	15.98 ms
7f26f16	1220.62 ms	1255.04 ms	34.42 ms
119ab1c	1226.79 ms	1254.55 ms	27.76 ms
1fe932f	1231.92 ms	1253.44 ms	21.52 ms
139db8b	1231.50 ms	1258.19 ms	26.69 ms
a4c5ddc	1239.61 ms	1266.41 ms	26.80 ms

App size

Revision	Plain	With Sentry	Diff
1339919	23.75 KiB	919.70 KiB	895.95 KiB
319fb1e	23.75 KiB	1019.18 KiB	995.43 KiB
3ec47ae	23.75 KiB	919.88 KiB	896.13 KiB
e58d7bf	24.15 KiB	1.01 MiB	1014.91 KiB
85f7349	23.75 KiB	1.01 MiB	1006.48 KiB
7f26f16	23.75 KiB	1.02 MiB	1016.66 KiB
119ab1c	23.75 KiB	993.70 KiB	969.95 KiB
1fe932f	23.75 KiB	913.63 KiB	889.88 KiB
139db8b	23.75 KiB	920.64 KiB	896.89 KiB
a4c5ddc	23.75 KiB	977.30 KiB	953.55 KiB

Previous results on branch: updatePublicSwift

Startup times

Revision	Plain	With Sentry	Diff
02fb0d7	1220.43 ms	1255.98 ms	35.55 ms

App size

Revision	Plain	With Sentry	Diff
02fb0d7	24.14 KiB	1.01 MiB	1014.98 KiB