[release] Prepare release Sampler.AWS-0.1.0-alpha.2 (open-telemetry#2051)

Author: opentelemetrybot

src/OpenTelemetry.Sampler.AWS/CHANGELOG.md

@@ -4,6 +4,8 @@
 
 ## 0.1.0-alpha.2
 
+Released 2024-Sep-09
+
 * Performance problem fix for calling event source when required.
   ([#2046](https://github.com/open-telemetry/opentelemetry-dotnet-contrib/pull/2046))