Preparation for release of Azure.Core 1.43.0 (Azure#45903)

* Preparation for release of Azure.Core 1.43.0

* CHANGELOG updates

Author: annelo-msft

sdk/core/Azure.Core/CHANGELOG.md

@@ -1,18 +1,13 @@
 # Release History
 
-## 1.43.0-beta.1 (Unreleased)
-
-### Features Added
-
-### Breaking Changes
-
-### Bugs Fixed
+## 1.43.0 (2024-09-12)
 
 ### Other Changes
 
-- Upgraded dependency on System.Text.Json to 6.0.9
+- Upgraded `System.Text.Json` package dependency to 6.0.9 ([#45416](https://github.com/Azure/azure-sdk-for-net/pull/45416)).
 - Added a new constructor on `AzureEventSourceListener` for callers that don't need the formatted message ([#45191](https://github.com/Azure/azure-sdk-for-net/pull/45191)).
-- Remove unused callback from `HttpRequestMessage` options in `HttpClientTransport` transport.
+- Remove unused callback from `HttpRequestMessage` options in `HttpClientTransport` transport ([#45696](https://github.com/Azure/azure-sdk-for-net/pull/45696)).
+- Added `RequiresUnreferencedCode` and `RequiresDynamicCode` attributes to `ToDynamicFromJson` extension methods and `DynamicData` APIs to support AOT scenarios ([#45417](https://github.com/Azure/azure-sdk-for-net/pull/45417)).
 
 ## 1.42.0 (2024-08-01)
 

sdk/core/Azure.Core/src/Azure.Core.csproj

@@ -2,7 +2,7 @@
   <PropertyGroup>
     <Description>This is the implementation of the Azure Client Pipeline</Description>
     <AssemblyTitle>Microsoft Azure Client Pipeline</AssemblyTitle>
-    <Version>1.43.0-beta.1</Version>
+    <Version>1.43.0</Version>
     <!--The ApiCompatVersion is managed automatically and should not generally be modified manually.-->
     <ApiCompatVersion>1.42.0</ApiCompatVersion>
     <PackageTags>Microsoft Azure Client Pipeline</PackageTags>