Bump icu_* crates from 2.1.1 to 2.2.0 & fix deprecation warnings

[cakebaker]

This PR manually bumps icu_calendar, icu_collator, icu_datetime, icu_decimal, and icu_locale from 2.1.1 to 2.2.0 because renovate fails to create the PRs.

Update: the PR also fixes three deprecation warnings in uucore.

[codspeed-hq]

Merging this PR will degrade performance by 5.24%

❌ 1 regressed benchmark
✅ 303 untouched benchmarks
⏩ 46 skipped benchmarks¹

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

	Mode	Benchmark	BASE	HEAD	Efficiency
❌	Simulation	cp_large_file[16]	264 µs	278.7 µs	-5.24%

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_{Comparing cakebaker:bump_icu_crates (7f7cddc) with main (9d6894a)}

Footnotes

1. 46 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

[github-actions]

GNU testsuite comparison:

Note: The gnu test tests/cut/cut-huge-range is now being skipped but was previously passing.
Note: The gnu test tests/tail/pipe-f is now being skipped but was previously passing.
Note: The gnu test tests/misc/write-errors was skipped on 'main' but is now failing.

[github-actions]

GNU testsuite comparison:

Skip an intermittent issue tests/date/date-locale-hour (fails in this run but passes in the 'main' branch)
Skipping an intermittent issue tests/tail/inotify-dir-recreate (passes in this run but fails in the 'main' branch)