Bump software.amazon.awssdk:dynamodb in /modules/scylladb

Bumps software.amazon.awssdk:dynamodb from 2.40.4 to 2.42.33.

---
updated-dependencies:
- dependency-name: software.amazon.awssdk:dynamodb
  dependency-version: 2.42.33
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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