Enable to Switch a DB in ScalarDB Cluster test

[yito88]

Description

To switch DB type for ScalarDB Cluster test

We will be able to easily add other DBs for the ScalarDB Cluster test.

Related issues and/or PRs

If this PR addresses or references any issues and/or other PRs, list them here.

Changes made

• Use environment variables for Docker login
• --db specifies the DB instead of cluster
  • Cluster test can be set by the profile with-profile cluster

Checklist

The following is a best-effort checklist. If any items in this checklist are not applicable to this PR or are dependent on other, unmerged PRs, please still mark the checkboxes after you have read and understood each item.

• I have commented my code, particularly in hard-to-understand areas.
• I have updated the documentation to reflect the changes.
• Any remaining open issues linked to this PR are documented and up-to-date (Jira, GitHub, etc.).
• Tests (unit, integration, etc.) have been added for the changes.
• My changes generate no new warnings.
• Any dependent changes in other PRs have been merged and published.

Additional notes (optional)

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