Removed IAsyncDisposable from CachingTransport (#3179)

src/Sentry/Internal/Http/CachingTransport.cs

@@ -4,7 +4,17 @@
 
 namespace Sentry.Internal.Http;
 
-internal class CachingTransport : ITransport, IAsyncDisposable, IDisposable
+/// <summary>
+/// A transport that caches envelopes to disk and sends them in the background.
+/// </summary>
+/// <remarks>
+/// Note although this class has a <see cref="CachingTransport.DisposeAsync"/>
+/// method, it doesn't implement <see cref="IAsyncDisposable"/> as this caused
+/// a dependency issue with Log4Net in some situations.
+///
+/// See https://github.com/getsentry/sentry-dotnet/issues/3178
+/// </remarks>
+internal class CachingTransport : ITransport, IDisposable
 {
     private const string EnvelopeFileExt = "envelope";