Bump cudf from 23.04.0 to 23.06.0 in /jvm-packages

Bumps [cudf](https://github.com/rapidsai/cudf) from 23.04.0 to 23.06.0.
- [Release notes](https://github.com/rapidsai/cudf/releases)
- [Changelog](https://github.com/rapidsai/cudf/blob/branch-23.08/CHANGELOG.md)
- [Commits](https://github.com/rapidsai/cudf/compare/v23.04.00...v23.06.00)

---
updated-dependencies:
- dependency-name: ai.rapids:cudf:cuda11
  dependency-type: direct:production
...

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

jvm-packages/pom.xml

@@ -43,7 +43,7 @@
         <maven.wagon.http.retryHandler.count>5</maven.wagon.http.retryHandler.count>
         <log.capi.invocation>OFF</log.capi.invocation>
         <use.cuda>OFF</use.cuda>
-        <cudf.version>23.04.0</cudf.version>
+        <cudf.version>23.06.0</cudf.version>
         <spark.rapids.version>23.04.1</spark.rapids.version>
         <cudf.classifier>cuda11</cudf.classifier>
         <scalatest.version>3.2.16</scalatest.version>