Enable Sentry in the SDK: add SDK Sentry DSN value

This is provided to the SDK in `PlatformInitializer`.

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/tracing/TracingConfiguration.kt

@@ -14,4 +14,5 @@ data class TracingConfiguration(
     val traceLogPacks: Set<TraceLogPack>,
     val writesToLogcat: Boolean,
     val writesToFilesConfiguration: WriteToFilesConfiguration,
+    val sdkSentryDsn: String?,
 )

libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/tracing/RustTracingService.kt

@@ -60,5 +60,5 @@ fun TracingConfiguration.map(): org.matrix.rustcomponents.sdk.TracingConfigurati
     extraTargets = extraTargets,
     traceLogPacks = traceLogPacks.map(),
     writeToFiles = writesToFilesConfiguration.toTracingFileConfiguration(),
-    sentryDsn = null,
+    sentryDsn = sdkSentryDsn,
 )