Add CLI build steps for dev mode in agentic-workflows action (#13996)

* Initial plan

* Add CLI build steps for dev mode in agentic-workflows action

Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>

* Add test for dev mode container and recompile all workflows

Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>

* Fix test failures and recompile all workflows with corrected build steps

Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>

* Remove unnecessary mounts and entrypoint args in dev mode

Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>

* Use CI build command instead of release build flags

Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>

* Remove entrypoint field and add GH_TOKEN env var in dev mode

Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>

* Add explicit entrypoint validation in TOML test

Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>

* Remove entrypointArgs, add DEBUG env var, skip alpine pull in dev mode

Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>

* Only generate CLI build steps when agentic-workflows tool is enabled

Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>

* Skip predownload for locally built dev image

Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>

* Add changeset [skip-ci]

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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>
Co-authored-by: Peli de Halleux <pelikhan@users.noreply.github.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: 3 people