refactor: The way of working with helm_release options

[mglotov]

Prerequisites

Please answer the following questions for yourself before submitting an issue. YOU MAY DELETE THE PREREQUISITES SECTION.

• I am running the latest version
• I checked the documentation and found no answer
• I checked to make sure that this issue has not already been filed

Expected Behavior

I want to have one file with all helm_release options

Current Behavior

• Helm chart versions are set in variables.tf
• Helm repositories are set in locals.tf
• Helm release names are set in eks-....tfs