v1.3.1

• Dependency upgrades. Notably ruby 2.5 in the docker release, and aws-sdk v3

Rubygems:

• https://rubygems.org/gems/stackup/versions/1.3.1

Docker Images:

• realestate/stackup:latest@sha256:4e7c808660b9b692a45fb531878d83edc29eca69a63b8dc32c21f467b0e37cf1
• realestate/stackup:1.3.1@sha256:4e7c808660b9b692a45fb531878d83edc29eca69a63b8dc32c21f467b0e37cf1