Bump io.split.client:java-client from 4.17.0 to 4.18.1

Bumps [io.split.client:java-client](https://github.com/splitio/java-client) from 4.17.0 to 4.18.1.
- [Changelog](https://github.com/splitio/java-client/blob/master/CHANGES.txt)
- [Commits](splitio/java-client@4.17.0...4.18.1)

---
updated-dependencies:
- dependency-name: io.split.client:java-client
  dependency-version: 4.18.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pom.xml

@@ -47,7 +47,7 @@
 		<dependency>
 			<groupId>io.split.client</groupId>
 			<artifactId>java-client</artifactId>
-			<version>4.17.0</version>
+			<version>4.18.1</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.httpcomponents</groupId>