v19

What's Changed

• Bump actions/checkout from 3 to 4 by @dependabot in #11
• Bump docker/login-action from 2 to 3 by @dependabot in #12
• Bump actions/download-artifact from 3 to 4 by @dependabot in #14
• Bump actions/upload-artifact from 3 to 4 by @dependabot in #13

Full Changelog: v18...v19