Update dependency com.ibm.icu:icu4j to v76

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.ibm.icu:icu4j (source)	75.1 -> 76.1

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Release Notes

unicode-org/icu (com.ibm.icu:icu4j)

v76.1

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Configuration

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 75.04%. Comparing base (4b2d95b) to head (9b0bf98).
Report is 1 commits behind head on main.

Additional details and impacted files

see 3 files with indirect coverage changes

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