workaround .net nativeAOT crash (#2943)

Author: vaind

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+### Fixes
+
+- Workaround a .NET 8 NativeAOT crash on transaction finish. ([#2943](https://github.com/getsentry/sentry-dotnet/pull/2943))
+
 ### API breaking Changes
 
 #### Changed APIs

src/Sentry/TransactionTracer.cs

@@ -165,7 +165,7 @@ public IReadOnlyList<string> Fingerprint
     /// <inheritdoc />
     public IReadOnlyDictionary<string, string> Tags => _tags;
 
-    private readonly ConcurrentBag<SpanTracer> _spans = new();
+    private readonly ConcurrentBag<ISpan> _spans = new();
 
     /// <inheritdoc />
     public IReadOnlyCollection<ISpan> Spans => _spans;