v0.5.3

What's Changed

• keeps the ci cache warm by @simonneutert in #139
• Drop solar graph from gemfile by @simonneutert in #141
• release from local machine in the future by @simonneutert in #142
• Bump rexml from 3.3.7 to 3.3.8 in the patch-and-minor-dependencies group by @dependabot in #143
• dockered test setup and dependency bump by @simonneutert in #144

Full Changelog: v0.5.2...v0.5.3