Bump com.ibm.icu:icu4j from 75.1 to 76.1

Bumps [com.ibm.icu:icu4j](https://github.com/unicode-org/icu) from 75.1 to 76.1.
- [Release notes](https://github.com/unicode-org/icu/releases)
- [Commits](https://github.com/unicode-org/icu/commits)

---
updated-dependencies:
- dependency-name: com.ibm.icu:icu4j
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -58,7 +58,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
-        <icu4j.version>75.1</icu4j.version>
+        <icu4j.version>76.1</icu4j.version>
         <guava.version>33.3.1-jre</guava.version>
         <slf4j.version>2.0.16</slf4j.version>
         <junit.version>4.13.2</junit.version>