Verify AWS instrumentation in OATS

[martincostello]

Extend the OATS tests to assert on AWS SDK traces using LocalStack.

Fixes #147

Changes

Use LocalStack to verify instrumentation for AWS is enabled by the distro.

Merge requirement checklist

• Unit tests added/updated
• CHANGELOG.md file updated for non-trivial changes
• Changes in public API reviewed (if applicable)

[Copilot]

Pull Request Overview

Extend the OATS test suite and example ASP.NET Core application to verify AWS S3 SDK instrumentation via LocalStack.

• Added AWSSDK.S3 package and S3 client registration in the example app
• Introduced AwsController to list S3 buckets
• Updated OATS scenarios, Docker Compose configs, and Renovate rules for LocalStack support

Reviewed Changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
examples/net8.0/aspnetcore/aspnetcore.csproj	Added AWSSDK.S3 reference to enable S3 instrumentation
examples/net8.0/aspnetcore/Program.cs	Registered AmazonS3Client service
examples/net8.0/aspnetcore/Controllers/AwsController.cs	New controller to list S3 buckets
docker/docker-compose-aspnetcore/oats.yaml	Added OATS path and expected S3 ListBuckets trace assertion
docker/docker-compose-aspnetcore/docker-compose.yml	Configured AWS env vars and added LocalStack service
docker/docker-compose-aspnetcore/docker-compose.self-contained.oats.yml	Configured AWS env vars and added LocalStack for self-contained
docker/docker-compose-aspnetcore/docker-compose.oats.yml	Configured AWS env vars and added LocalStack
.github/renovate.json	Added scheduled and version rules for AWS SDK updates

Comments suppressed due to low confidence (1)

examples/net8.0/aspnetcore/Controllers/AwsController.cs:13

• [nitpick] The constructor parameter client is ambiguous—consider renaming to s3Client or amazonS3Client for clarity.

public class AwsController(AmazonS3Client client, ILogger<AwsController> logger) : ControllerBase