chore(deps): update testcontainers-dotnet monorepo to 4.16.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
Testcontainers.MsSql (source)	4.15.0 → 4.16.0
Testcontainers.PostgreSql (source)	4.15.0 → 4.16.0

---

Configuration

📅 Schedule: (UTC)

• Branch creation
  • At any time (no schedule defined)
• Automerge
  • At any time (no schedule defined)

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 19.42%. Comparing base (e31a2fb) to head (9a0b1c0).

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #404   +/-   ##
========================================
  Coverage    19.42%   19.42%           
========================================
  Files           85       85           
  Lines         1679     1679           
  Branches       349      349           
========================================
  Hits           326      326           
  Misses        1287     1287           
  Partials        66       66           

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.