Bump AWSSDK.Core from 3.7.400.2 to 3.7.400.4 (#750)

* Bump AWSSDK.Core from 3.7.400.2 to 3.7.400.4

Bumps [AWSSDK.Core](https://github.com/aws/aws-sdk-net) from 3.7.400.2 to 3.7.400.4.
- [Changelog](https://github.com/aws/aws-sdk-net/blob/main/SDK.CHANGELOG.MD)
- [Commits](https://github.com/aws/aws-sdk-net/commits)

---
updated-dependencies:
- dependency-name: AWSSDK.Core
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

* Update changelog

Signed-off-by: dependabot[bot] <support@github.com>

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: dependabot[bot] <dependabot[bot]@users.noreply.github.com>

CHANGELOG.md

@@ -23,7 +23,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Fixed naming of `ClusterManagerTimeout` and `MasterTimeout` properties from `*TimeSpanout` in the low-level client ([#332](https://github.com/opensearch-project/opensearch-net/pull/332))
 
 ### Dependencies
-- Bumps `AWSSDK.Core` from 3.7.204.12 to 3.7.400.2
+- Bumps `AWSSDK.Core` from 3.7.204.12 to 3.7.400.4
 - Bumps `Bogus` from 35.3.0 to 35.6.0
 - Bumps `xunit` from 2.7.1 to 2.8.0
 - Bumps `FSharp.Core` from 8.0.100 to 8.0.301

src/OpenSearch.Net.Auth.AwsSigV4/OpenSearch.Net.Auth.AwsSigV4.csproj

@@ -20,6 +20,6 @@
     <ProjectReference Include="$(SolutionRoot)\src\OpenSearch.Net\OpenSearch.Net.csproj" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="AWSSDK.Core" Version="3.7.400.2" />
+    <PackageReference Include="AWSSDK.Core" Version="3.7.400.4" />
   </ItemGroup>
 </Project>