build(deps): bump io.dgraph:dgraph4j

Bumps the minor-and-patch group in /samples/concurrent-modification with 1 update: [io.dgraph:dgraph4j](https://github.com/dgraph-io/dgraph4j).


Updates `io.dgraph:dgraph4j` from 24.0.0 to 24.1.1
- [Release notes](https://github.com/dgraph-io/dgraph4j/releases)
- [Changelog](https://github.com/dgraph-io/dgraph4j/blob/master/CHANGELOG.md)
- [Commits](v24.0.0...v24.1.1)

---
updated-dependencies:
- dependency-name: io.dgraph:dgraph4j
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: minor-and-patch
...

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

samples/concurrent-modification/pom.xml

@@ -33,7 +33,7 @@
 		<dependency>
 			<groupId>io.dgraph</groupId>
 			<artifactId>dgraph4j</artifactId>
-			<version>24.0.0</version>
+			<version>24.1.1</version>
 		</dependency>
 		<dependency>
         	<groupId>com.google.code.gson</groupId>