Tests: Update docker image for subpackages

[BhavdeepSethi]

Description

• Current docker images used in tests have been deprecated
• Recommended docker images to be used are redis-stack
• To keep the test-suite up to date, changing the docker image and using the latest image to run the tests
• Not updating redisgraph (eol) and search (breaking features)

---

Checklist

• Does npm test pass with this change (including linting)?
• Is the new or changed code fully tested?
  • Existing tests pass for both old and new docker versions
• Is a documentation update included (if this change modifies existing APIs, or introduces new ones)?

[BhavdeepSethi]

Looks like this will work with v5 branch too. Just minor formatting changes.