bbify honeysql build

Follow the path of `next.jdbc` in July 21, 2025 changes to simplify `build.clj` and move most tasks to `bb.edn`, and then update the GitHub Actions workflows to use `bb` tasks. <!-- This issue will be created in repo seancorfield/honeysql (https://github.com/seancorfield/honeysql). Changing this line has no effect. --> Assignees: seancorfield Labels: Milestone: Projects: <!-- Edit the body of your new issue then click the ✓ "Create Issue" button in the top right of the editor. The first line will be the issue title. Assignees and Labels follow after a blank line. Leave an empty line before beginning the body of the issue. -->