v0.21.0

Helper checkouts pinned. See docs/releases.md.

Products install the engineering snapshot through mise instead of vendoring it:

[tools]
"http:cicd-engineering" = { version = "0.21.0", url = "https://github.com/nicodes/tools/releases/download/v{{ version }}/cicd-engineering-v{{ version }}.tar.gz", checksum = "sha256:92a462764417bcab34b6e21861ef484f96d13d2e3f729b6ff0e871c68c6815c0" }