Bump protobuf-java-util dependency to 3.25.5. (#534)

## What changes are proposed in this pull request?

This PR addresses two security vulnerabilities:

- Bumps
[com.google.protobuf:protobuf-java-util](https://github.com/protocolbuffers/protobuf)
from 3.24.2 to 3.25.5.

## How is this tested?

Unit + Integration tests.

Author: renaudhartert-db

NEXT_CHANGELOG.md

@@ -1,13 +1,15 @@
 # NEXT CHANGELOG
 
-## Release v0.68.0
+## Release v0.67.3
 
 ### New Features and Improvements
 
 ### Bug Fixes
 
 ### Security Vulnerabilities
 
+* Bump com.google.protobuf:protobuf-java-util from 3.24.2 to 3.25.5. 
+
 ### Documentation
 
 ### Internal Changes

databricks-sdk-java/pom.xml

@@ -133,7 +133,7 @@
     <dependency>
       <groupId>com.google.protobuf</groupId>
       <artifactId>protobuf-java-util</artifactId>
-      <version>3.24.2</version>
+      <version>3.25.5</version>
     </dependency>
   </dependencies>
 </project>