chore(deps): update terraform cloudposse/iam-role/aws to v0.20.0 #46

Job	Run time
terraform-module / CI / Format HCL	15s
terraform-module / CI / bats	42s
terraform-module / CI / Find modules	3s
terraform-module / Readme	0s
terraform-module / CI / Validate Codeowners (syntax)	4s
terraform-module / CI / Validate Codeowners (owners)	0s
terraform-module / CI / Labels Validate	1s
terraform-module / CI / Lint (.)	18s
terraform-module / CI / Lint (./examples/cis)	18s
terraform-module / CI / Lint (./examples/complete)	21s
terraform-module / CI / Lint (./examples/hipaa)	14s
terraform-module / CI / Lint (./modules/cis-1-2-rules)	13s
terraform-module / CI / Lint (./modules/conformance-pack)	12s
terraform-module / ci	1s
terraform-module / Release	0s
	2m 42s

Provide feedback