chore(deps): update dependency testcontainers.kafka to 4.12.0

[thomhurst]

This PR contains the following updates:

Package	Type	Update	Change
Testcontainers.Kafka (source)	nuget	minor	4.11.0 → 4.12.0

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Release Notes

testcontainers/testcontainers-dotnet (Testcontainers.Kafka)

v4.12.0

Compare Source

What's Changed

Thanks to all contributors 👏.

⚠️ Breaking Changes

• chore(deps): Bump Docker.DotNet from 3.131.1 to 4.0.2 (#​1665) @​HofmeisterAn

🚀 Features

• feat: Add Floci module (#​1690) @​object
• feat: Ignore port-forwarding extra host in reuse hash (#​1689) @​HofmeisterAn
• feat: Allow devs to override the reuse hash calculation (#​1688) @​HofmeisterAn
• feat: Add connect to network API (#​1672) @​HofmeisterAn
• feat(LocalStack): Require auth token for 4.15 and onwards (#​1667) @​HofmeisterAn
• chore(deps): Bump Docker.DotNet from 3.131.1 to 4.0.2 (#​1665) @​HofmeisterAn

🐛 Bug Fixes

• fix: Trim tar record padding to avoid broken-pipe failure on Podman (#​1684) @​artiomchi
• fix(Nats): Use healthz API for readiness probe (#​1679) @​eriblo01
• fix: Remove KeepAlive socket option (#​1671) @​Angelinsky7

📖 Documentation

• docs: Extend WithCommand(params string[]) documentation (#​1685) @​HofmeisterAn

🧹 Housekeeping

• feat: Prepare next release cycle (4.12.0) (#​1664) @​HofmeisterAn

📦 Dependency Updates

• chore(deps): Bump the actions group with 5 updates (#​1687) @​dependabot[bot]
• chore(deps): Bump Docker.DotNet from 4.1.0 to 4.2.0 (#​1686) @​HofmeisterAn
• chore(deps): Bump the actions group with 5 updates (#​1676) @​dependabot[bot]
• chore(deps): Bump Docker.DotNet from 4.0.2 to 4.1.0 (#​1674) @​HofmeisterAn
• chore(deps): Bump Docker.DotNet from 3.131.1 to 4.0.2 (#​1665) @​HofmeisterAn

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This PR has been generated by Mend Renovate.

[claude]

Dependency Update Review: Testcontainers.Kafka 4.11.0 → 4.12.0

This is a straightforward Renovate-managed dependency bump. The diff is minimal (one line in Directory.Packages.props), but there is one thing worth noting from the upstream release notes.

⚠️ Breaking Change in Upstream: Docker.DotNet 3.131.1 → 4.0.2

The 4.12.0 release notes call out a breaking change due to bumping Docker.DotNet from 3.131.1 to 4.0.2. Since Testcontainers.Kafka takes this as a transitive dependency, any code that directly references Docker.DotNet types (e.g., CreateContainerParameters, HostConfig, etc.) could break at compile time.

A quick check shows TUnit's Kafka usage is limited to TUnit.Example.Asp.Net.TestProject (e.g., KafkaUI.cs, InMemoryKafka.cs), which is an example/integration project rather than the core engine — so the blast radius is contained. The pending CI runs (integration-tests, modularpipeline) will be the definitive signal here.

Version Drift Across Testcontainers Modules

After this PR, the package versions will be:

• Testcontainers.Kafka: 4.12.0
• Testcontainers.PostgreSql: 4.11.0
• Testcontainers.Redis: 4.11.0

Each module is versioned independently upstream so this is intentional, but it means the three modules may carry different transitive Docker.DotNet versions. In practice this is fine as long as the resolved transitive dependency is the highest version — but it's worth being aware of in case a future incompatibility surfaces.

Summary

The change is clean and correct. The breaking-change flag in the release notes is the main thing to watch, and the integration-test CI run will confirm whether anything is affected. No changes needed from my side — approve once CI is green.

[codacy-production]

Up to standards ✅

🟢 Issues 0 issues

Results:
0 new issues

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🟢 Metrics 0 complexity

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[claude]

Review Update: Testcontainers.Kafka 4.11.0 → 4.12.0

Building on the previous review:

Previous Concerns — Status

⚠️ Docker.DotNet breaking change: CI checks are still pending (integration-tests, modularpipeline runs all show as pending). The breakage concern from 4.12.0's Docker.DotNet bump (3.131.1 → 4.0.2) remains unresolved until those runs complete. Given TUnit's Kafka usage is confined to the example/integration project rather than core engine code, a compile-time break is possible but the blast radius is narrow.

Version drift (Kafka 4.12.0 vs PostgreSql/Redis 4.11.0): Still present after this PR — no action needed, but worth noting for future consolidated upgrades.

Change Itself

The one-line diff in Directory.Packages.props is correct and minimal. Nothing else needs updating for a Renovate-managed version pin change.

Recommendation

This is safe to merge once CI is green, especially given auto-merge is already enabled. The Snyk security check passed with no manifest concerns. No code changes required.