Bump github.com/slack-go/slack from 0.14.0 to 0.15.0 in /slack-webhook#225

dependabot[bot] wants to merge 1 commit intomainchainguard-dev/platform-examples:mainfrom

dependabot/go_modules/slack-webhook/github.com/slack-go/slack-0.15.0chainguard-dev/platform-examples:dependabot/go_modules/slack-webhook/github.com/slack-go/slack-0.15.0Copy head branch name to clipboard