Alpine Linux 3.17

What's Changed

• Dependabot: configure automatic updates by @sgerrand in #14
• GitHub Actions: build, tag and push Docker images by @sgerrand in #15
• GitHub Actions: Tag "main" branch as "latest" by @sgerrand in #16
• Dependabot config updates by @sgerrand in #17
• Bump docker/build-push-action from 2.10.0 to 3.1.1 by @dependabot in #18
• GitHub Action to build Docker images by @sgerrand in #19
• Add build badge, update tagging strategy by @sgerrand in #20
• Bump docker/build-push-action from 3 to 4 by @dependabot in #23
• Bump sigstore/cosign-installer from 2 to 3 by @dependabot in #24
• Bump alpine from 3.16 to 3.18 by @dependabot in #25
• GitHub Actions: Fix Docker image signing by @sgerrand in #27
• Docs: Add more Alpine Linux versions by @sgerrand in #26

Full Changelog: 3.16...3.17