Refactor - Remove dependency on Cloudposse

[vijay-stephen]

Description

• Removed dependency on Cloudposse modules
• Added RDS proxy support

Related Issue

• Issue Number: Brief description

Checklist

Please ensure that the following steps are completed before submitting the pull request:

• Code follows the Terraform best practices and style guidelines.
• Changes are appropriately documented, including any necessary updates to README or other documentation files.
• Unit tests have been added or updated to cover the changes introduced by this pull request.
• Changes have been tested locally and verified to work as expected.
• The code has been reviewed to ensure it aligns with the project's goals and standards.
• Dependencies and backward compatibility have been considered and addressed if applicable.

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Intermediate change (work in progress)

Testing Instructions

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Screenshots

Include any relevant screenshots or visual aids to help reviewers understand the changes visually, if applicable.

Additional Notes

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[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud