Task/npt 937 setup vpc endpoints for aws services

[soji-kainos-nhs-temp]

Description

Context

Type of changes

• Refactoring (non-breaking change)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would change existing functionality)
• Bug fix (non-breaking change which fixes an issue)

Checklist

• I am familiar with the contributing guidelines
• I have followed the code style of the project
• I have added tests to cover my changes
• I have updated the documentation accordingly
• This PR is a result of pair or mob programming

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• I confirm that neither PII/PID nor sensitive data are included in this PR and the codebase changes.

[soji-kainos-nhs-temp]

PR is used to set-up VPC endpoints for managing private network traffic between SAET Platform and AWS services.
In addition, the over permissive policies flagged up by NHS security team has now be removed as they were picked up as part of the baseline deployment