Bump com.ibm.icu:icu4j from 77.1 to 78.1 in the dependencies group

Bumps the dependencies group with 1 update: [com.ibm.icu:icu4j](https://github.com/unicode-org/icu).


Updates `com.ibm.icu:icu4j` from 77.1 to 78.1
- [Release notes](https://github.com/unicode-org/icu/releases)
- [Commits](https://github.com/unicode-org/icu/commits/release-78.1)

---
updated-dependencies:
- dependency-name: com.ibm.icu:icu4j
  dependency-version: '78.1'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -101,7 +101,7 @@
       <dependency>
         <groupId>com.ibm.icu</groupId>
         <artifactId>icu4j</artifactId>
-        <version>77.1</version>
+        <version>78.1</version>
       </dependency>
 
       <!-- Compile-time dependencies -->