fix: add with-commandbox: true to setup-boxlang steps in release.yml

[Copilot]

ortus-boxlang/setup-boxlang defaults with-commandbox to false, so both Setup CommandBox steps in release.yml were installing BoxLang without CommandBox — causing box CLI calls to fail silently or not at all.

Changes

• release.yml — build job: added with-commandbox: true; this job runs box install commandbox-docbox, box task run, and box forgebox publish
• release.yml — prep_next_release job: added with-commandbox: true; this job runs box bump

- name: Setup CommandBox
  uses: ortus-boxlang/setup-boxlang@1.4.0
  with:
    with-commandbox: true          # ← was missing
    forgeboxAPIKey: ${{ secrets.FORGEBOX_TOKEN }}

Other workflows (pr.yml, snapshot.yml, tests.yml) use dedicated CommandBox actions and are unaffected.