Replace ConcurrentQueue<T> in BackgroundWorker #8295

Job	Run time
sentry-native (ubuntu)	14s
test-solution-filters	39s
sentry-native (windows)	16s
sentry-native (macos)	9s
.NET (ubuntu-latest)	12m 10s
.NET (windows-latest)	17m 31s
.NET (macos-13)	17m 11s
Integration test (ubuntu-latest)	4m 46s
Integration test (windows-latest)	10m 15s
Integration test (macos-13)	11m 10s
	1h 14m 21s

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