Bump com.github.seancfoley:ipaddress in /data-prepper-expression

Bumps [com.github.seancfoley:ipaddress](https://github.com/seancfoley/IPAddress) from 5.4.2 to 5.5.1.
- [Release notes](https://github.com/seancfoley/IPAddress/releases)
- [Commits](seancfoley/IPAddress@v5.4.2...v5.5.1)

---
updated-dependencies:
- dependency-name: com.github.seancfoley:ipaddress
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

data-prepper-expression/build.gradle

@@ -30,7 +30,7 @@ dependencies {
     implementation platform('org.apache.logging.log4j:log4j-bom:2.23.0')
     implementation 'org.apache.logging.log4j:log4j-core'
     implementation 'org.apache.logging.log4j:log4j-slf4j2-impl'
-    implementation 'com.github.seancfoley:ipaddress:5.4.2'
+    implementation 'com.github.seancfoley:ipaddress:5.5.1'
     testImplementation testLibs.spring.test
     testImplementation libs.commons.lang3
     testImplementation 'com.fasterxml.jackson.core:jackson-databind'