Keep Elasticsearch credentials encrypted in Redis cache(GONRG-3021) & refactor dependencies

Description:

Elasticsearch credentials are stored encrypted in Datastore

But not in the Redis cache, they are stored there as plain text

Redis cache allow unauthenticated calls within VPC which is a potentially security breach. Elasticsearch credentials must also be encrypted in Redis.

Dependencies refactoring (clean up pom file, consolidate last libs versions in core-lib-gcp)

How to test:

Does functionality was tested and how?

Changes include:

• Refactor (a non-breaking change that improves code maintainability).

Changes in:

• GCP