fix: Correct typo in ec2 module

[jongwooo]

This pull request includes a small change to the Modules/EC2/main.tf file. The change updates the Name tag for the aws_instance resource to reflect a more meaningful identifier.

• Modules/EC2/main.tf: Updated the Name tag in the aws_instance resource from "dummy-db-access-instance" to "dutymate-db-access-instance" to provide a clearer and more relevant naming convention.

[Copilot]

Pull Request Overview

This PR updates the EC2 module to use a more meaningful Name tag for the aws_instance resource.

• Changed the Name tag value from "dummy-db-access-instance" to "dutymate-db-access-instance".