chore(deps): update terraform cloudposse/utils/aws to v0.8.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
cloudposse/utils/aws (source)	module	minor	0.7.0 -> 0.8.0

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Release Notes

cloudposse/terraform-aws-utils

### [`v0.8.0`](https://togithub.com/cloudposse/terraform-aws-utils/releases/0.8.0) [Compare Source](https://togithub.com/cloudposse/terraform-aws-utils/compare/0.7.0...0.8.0)

Fix README example @​nitrocode (#​9)

##### what * Standardized module reference source (old one didn't work due to lack of `git::` prefix) * Removed additional closing square bracket * Converted missing `var.shorten_regions` reference to local and created local ##### why * Broken example ##### references N/A

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