Closes #ISSUE

Uses the existing `--dump-all-actions` arg on the Zed binary to generate
an asset of all of our actions so that the `docs_preprocessor` can
injest it, rather than depending on the Zed crate itself to collect all
action names

Release Notes:

- N/A *or* Added/Fixed/Improved ...

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Co-authored-by: Zed Zippy <234243425+zed-zippy[bot]@users.noreply.github.com>