Update release notes

Author: jviau

release_notes.md

@@ -5,3 +5,6 @@
 -->
 - Update Python Worker Version to [4.40.2](https://github.com/Azure/azure-functions-python-worker/releases/tag/4.40.2)
 - Add JitTrace Files for v4.1044
+- Memory allocation optimizations in `ScriptStartupTypeLocator.GetExtensionsStartupTypesAsync` (#11012)
+- Fix invocation timeout when incoming request contains "x-ms-invocation-id" header (#10980)
+- Throw exception instead of timing out when worker channel exits before initializing gRPC (#10937)