Bump AWSSDK.Core from 3.7.204.12 to 3.7.303.18 (#617)

* Bump AWSSDK.Core from 3.7.204.12 to 3.7.303.18

Bumps [AWSSDK.Core](https://github.com/aws/aws-sdk-net) from 3.7.204.12 to 3.7.303.18.
- [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

@@ -12,6 +12,8 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 ### Removed
 - Removed the `Features` API which is not supported by OpenSearch from the low-level client ([#331](https://github.com/opensearch-project/opensearch-net/pull/331))
 - Removed the deprecated low-level `IndexTemplateV2` APIs in favour of the `ComposableIndexTemplate` APIs ([#437](https://github.com/opensearch-project/opensearch-net/pull/437))
+### Dependencies
+- Bumps `AWSSDK.Core` from 3.7.204.12 to 3.7.303.18
 
 ## [1.7.1]
 ### Fixed
@@ -170,4 +172,4 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 [1.6.0]: https://github.com/opensearch-project/opensearch-net/compare/v1.5.0...v1.6.0
 [1.5.0]: https://github.com/opensearch-project/opensearch-net/compare/v1.4.0...v1.5.0
 [1.4.0]: https://github.com/opensearch-project/opensearch-net/compare/v1.3.0...v1.4.0
-[1.3.0]: https://github.com/opensearch-project/opensearch-net/compare/v1.2.0...v1.3.0
+[1.3.0]: https://github.com/opensearch-project/opensearch-net/compare/v1.2.0...v1.3.0

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="3.7.204.12" />
+    <PackageReference Include="AWSSDK.Core" Version="3.7.303.18" />
   </ItemGroup>
 </Project>