chore(deps): update dependency testcontainers.postgresql to 4.16.0

[thomhurst]

This PR contains the following updates:

Package	Type	Update	Change
Testcontainers.PostgreSql (source)	nuget	minor	4.15.0 → 4.16.0

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Codex Review Summary

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Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-10-08T20:17:34.442704Z	208f3c6	New commits

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ℹ️ Recent review info

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Reviewing files that changed from the base of the PR and between 0818d85 and 40b6bf8.

📒 Files selected for processing (1)

• Directory.Packages.props

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📝 Walkthrough

Walkthrough

The centrally managed Testcontainers.PostgreSql version and the API service project reference changed from 4.15.0 to 4.16.0.

Changes

PostgreSQL Testcontainers Package Update

Layer / File(s)	Summary
Update PostgreSQL package version Directory.Packages.props, src/TUnit.Templates/content/TUnit.Aspire.Starter/ExampleNamespace.ApiService/ExampleNamespace.ApiService.csproj	Both package declarations now specify Testcontainers.PostgreSql version 4.16.0.

Priority: ⬇️ Low

Estimated code review effort: 1 (Trivial) | ~3 minutes

Change: Other

Suggested reviewers: quattordici

Merge Risk: ⚪ Minimal · up to 40b6b

This updates the PostgreSQL test-container dependency to 4.16.0; no concrete test or production regression is identified, so the update is ready for normal CI checks.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the dependency update from the changeset: Testcontainers.PostgreSql updates to version 4.16.0.

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_{A rabbit checks the package pin,
Four sixteen now settles in.
The project follows the central file,
The version change is small in style.
Soft paws hop past the updated line,
Then nibble clover, pleased and fine.}

_{Comment @coderabbitai help to get the list of available commands.}

[greptile-apps]

Confidence Score: 5/5

[High impact] This dependency update appears safe to merge; no actionable defect was found.

Summary

Updates Testcontainers.PostgreSql from 4.15.0 to 4.16.0 in central package settings and the Aspire starter.

• Both version references remain aligned.
• No actionable issues were found.
• Package restore, builds, and container startup were not run.

_{Reviews (3) · Last reviewed commit: "chore(deps): update dependency testconta..." · Reviewed by Greptile}