Bump java-driver-core from 4.14.1 to 4.15.0 in /modules/cassandra

Bumps [java-driver-core](https://github.com/datastax/java-driver) from 4.14.1 to 4.15.0.
- [Release notes](https://github.com/datastax/java-driver/releases)
- [Commits](apache/cassandra-java-driver@4.14.1...4.15.0)

---
updated-dependencies:
- dependency-name: com.datastax.oss:java-driver-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

modules/cassandra/build.gradle

@@ -10,6 +10,6 @@ dependencies {
     api project(":database-commons")
     api "com.datastax.cassandra:cassandra-driver-core:3.10.0"
 
-    testImplementation 'com.datastax.oss:java-driver-core:4.14.1'
+    testImplementation 'com.datastax.oss:java-driver-core:4.15.0'
     testImplementation 'org.assertj:assertj-core:3.23.1'
 }