Bump com.scylladb:java-driver-core in /modules/scylladb

Bumps [com.scylladb:java-driver-core](https://github.com/scylladb/java-driver) from 4.19.0.4 to 4.19.0.8.
- [Release notes](https://github.com/scylladb/java-driver/releases)
- [Commits](https://github.com/scylladb/java-driver/compare/4.19.0.4...4.19.0.8)

---
updated-dependencies:
- dependency-name: com.scylladb:java-driver-core
  dependency-version: 4.19.0.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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