[release] Prepare release Instrumentation.AWS-1.1.0-beta.6 (open-telemetry#2053)

Author: opentelemetrybot

src/OpenTelemetry.Instrumentation.AWS/CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+## 1.1.0-beta.6
+
+Released 2024-Sep-10
+
 * Fix Memory Leak by Reusing ActivitySources, Meters, and Instruments
   ([#2039](https://github.com/open-telemetry/opentelemetry-dotnet-contrib/pull/2039))
 * Added instrumentation support for AWS Bedrock, BedrockRuntime, BedrockAgent, BedrockAgentRuntime.