Bump AWSSDK.DynamoDBv2 from 3.7.400.20 to 3.7.400.21

Bumps [AWSSDK.DynamoDBv2](https://github.com/aws/aws-sdk-net) from 3.7.400.20 to 3.7.400.21.
- [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.DynamoDBv2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

BervProject.WebApi.Boilerplate/BervProject.WebApi.Boilerplate.csproj

@@ -16,7 +16,7 @@
   <ItemGroup>
     <PackageReference Include="Autofac" Version="8.1.0" />
     <PackageReference Include="Autofac.Extensions.DependencyInjection" Version="10.0.0" />
-    <PackageReference Include="AWSSDK.DynamoDBv2" Version="3.7.400.20" />
+    <PackageReference Include="AWSSDK.DynamoDBv2" Version="3.7.400.21" />
     <PackageReference Include="AWSSDK.Extensions.NETCore.Setup" Version="3.7.301" />
     <PackageReference Include="AWSSDK.S3" Version="3.7.402.11" />
     <PackageReference Include="AWSSDK.SimpleEmail" Version="3.7.401.10" />