Bump com.yugabyte:java-driver-core in /modules/yugabytedb

Bumps [com.yugabyte:java-driver-core](https://github.com/yugabyte/cassandra-java-driver) from 4.15.0-yb-1 to 4.15.0-yb-2-TESTFIX.0.
- [Release notes](https://github.com/yugabyte/cassandra-java-driver/releases)
- [Commits](yugabyte/cassandra-java-driver@4.15.0-yb-1...4.15.0-yb-2-TESTFIX.0)

---
updated-dependencies:
- dependency-name: com.yugabyte:java-driver-core
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

modules/yugabytedb/build.gradle

@@ -4,7 +4,7 @@ dependencies {
     api project(':jdbc')
     testImplementation project(':jdbc-test')
     // YCQL driver
-    testImplementation 'com.yugabyte:java-driver-core:4.15.0-yb-1'
+    testImplementation 'com.yugabyte:java-driver-core:4.15.0-yb-2-TESTFIX.0'
     // YSQL driver
     testRuntimeOnly 'com.yugabyte:jdbc-yugabytedb:42.3.5-yb-4'
 }