Add timeout to terraform import command

[tylerpotts]

Fixes #933

Changes:

Adds a timeout to the subprocess for terraform import of 30 seconds. Without this timeout deploying on GCP will hang and give the error that that the bucket doesn't exist

Types of changes

What types of changes does your code introduce?

Put an x in the boxes that apply

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds a feature)
• Breaking change (fix or feature that would cause existing features to not work as expected)
• Documentation Update
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no API changes)
• Build related changes
• Other (please describe):

Testing

Requires testing

• Yes
• No

In case you checked yes, did you write tests?

• Yes
• No

[viniciusdc]

LGTM!

[danlester]

Actually this doesn't quite work - I'm taking a look at fixing it.

[danlester]

Sorry if it was a WIP, but thought it was just waiting for a Black fix before it could be merged...

[danlester]

Trying to fix again in #955