Feature/terragrunt

[alandavid]

Description:

This PR adds Terragrunt to the existing Terraform Docker image. The following changes have been made:

Added Terragrunt v0.62.2 to /usr/local/bin.
Details:
Terragrunt Installation:

ENV TERRAGRUNT_VERSION=v0.62.2
wget -q https://github.com/gruntwork-io/terragrunt/releases/download/${TERRAGRUNT_VERSION}/terragrunt_linux_amd64 -O /usr/local/bin/terragrunt && \
chmod +x /usr/local/bin/terragrunt

This update ensures that Terragrunt is available alongside Terraform in the image.