Fix build with 15.4 issue

[itaybre]

Fixes building XCFramework with 15.4

Running the CI, do not merge

[github-actions]

	Fails
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## Unreleased

- Fix build with 15.4 issue ([#5695](https://github.com/getsentry/sentry-cocoa/pull/5695))

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Generated by 🚫 dangerJS against 8681c49

[codecov]

❌ 1 Tests Failed:

Tests completed	Failed	Passed	Skipped
3790	1	3789	13

View the full list of 1 ❄️ flaky tests

SentryTests.SentrySDKInternalTests::testStartOnTheMainThread

Flake rate in main: 21.62% (Passed 29 times, Failed 8 times)

Stack Traces | 0s run time

.../Tests/SentryTests/SentrySDKInternalTests.swift:706 - Asynchronous wait failed: Exceeded timeout of 1 seconds, with unfulfilled expectations: "MainThreadTestIntegration install called".

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