chore(deps): update rust crate rust_icu_ucol to v5.6.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
rust_icu_ucol	dependencies	minor	5.1.0 → 5.6.0

---

Release Notes

google/rust_icu (rust_icu_ucol)

v5.6.0

Compare Source

v5.5.0

Compare Source

v5.4.0

Compare Source

v5.3.0

Compare Source

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

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

---

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

---

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

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 54.82%. Comparing base (ec3a64d) to head (5cb0861).

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #603      +/-   ##
==========================================
- Coverage   54.84%   54.82%   -0.02%     
==========================================
  Files          57       57              
  Lines       10664    10664              
==========================================
- Hits         5849     5847       -2     
- Misses       4815     4817       +2     

☔ View full report in Codecov by Sentry.
📢 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.