feat(init): Add arg to execute terraform init with -no-color option

[acactown]

Description

Allow passing the -no-color option to the terraform init command.

-no-color If specified, output won't contain any color.

(There's no related Issue)

TODOs

Read the Gruntwork contribution guidelines.

• Update the docs.
• Run the relevant tests successfully, including pre-commit checks.
• Ensure any 3rd party code adheres with our license policy or delete this line if its not applicable.
• Include release notes. If this PR is backward incompatible, include a migration guide.

Release Notes (draft)

Added arg to execute terraform init with -no-color option.

Migration Guide

This change is backward compatible.

[zackproser]

Thanks for the PR! Looks like a good start.

Could you also please add tests to ensure this new functionality doesn't cause any issues?

See 142b643 for reference - it's a pull request adding new options as well.