feat: change to use assume role

Author: brunograna

.github/workflows/terraform.yml

@@ -30,7 +30,7 @@ jobs:
           role-session-name: GitHub_to_AWS_via_FederatedOIDC
 #          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
 #          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
-#          aws-region: ${{ vars.AWS_REGION }}
+          aws-region: ${{ vars.AWS_REGION }}
 
       - name: Read destroy configuration
         id: read-destroy-config