Finish switch from iam user to role

Description of changes: Switch to using IAM Role that is more secure with short-lived credentials See #448 for context, we missed this one.

Author: thpierce

.github/workflows/IntegrationTesting.yaml

@@ -156,10 +156,9 @@ jobs:
  name: terraform-state-artifact
 
  - name: Configure AWS Credentials
- uses: aws-actions/configure-aws-credentials@v1
+ uses: aws-actions/configure-aws-credentials@v4
  with:
- aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
- aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+ role-to-assume: ${{ secrets.AWS_INTEG_TEST_ROLE_ARN }}
  aws-region: us-west-2
 
  - name: Setup Terraform