Bump AWSSDK.S3 from 3.7.9.69 to 4.0.0.3 in /samples/aws (#2318)

Bumps [AWSSDK.S3](https://github.com/aws/aws-sdk-net) from 3.7.9.69 to 4.0.0.3.
- [Release notes](https://github.com/aws/aws-sdk-net/releases)
- [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.S3
  dependency-version: 4.0.0.3
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

samples/aws/aws.csproj

@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="AWSSDK.S3" Version="3.7.9.69" />
+    <PackageReference Include="AWSSDK.S3" Version="4.0.0.3" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="6.2.3" />
   </ItemGroup>