Bump icu4j from 73.1 to 73.2

Bumps [icu4j](https://github.com/unicode-org/icu) from 73.1 to 73.2.
- [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-minor
...

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

pom.xml

@@ -121,7 +121,7 @@
       <dependency>
         <groupId>com.ibm.icu</groupId>
         <artifactId>icu4j</artifactId>
-        <version>73.1</version>
+        <version>73.2</version>
       </dependency>
 
       <!-- Compile-time dependencies -->