Release v0.12.6

What's Changed

build(deps): bump github.com/aws/aws-sdk-go from 1.54.18 to 1.54.19 by @dependabot in #1581
build(deps): bump github.com/xanzy/go-gitlab from 0.106.0 to 0.107.0 by @dependabot in #1583
build(deps): bump github.com/slack-go/slack from 0.13.0 to 0.13.1 by @dependabot in #1582
build(deps): bump github.com/aws/aws-sdk-go from 1.54.19 to 1.54.20 by @dependabot in #1584
Migrate to github.com/aws/aws-sdk-go-v2 by @sue445 in #1586

Full Changelog: v0.12.5...v0.12.6