bug(`ci`): `update` workflow currently fails

[zerosnacks]

See: https://github.com/foundry-rs/book/actions/runs/15369028057/job/43245643874#step:5:30 due to

book/scripts/gen_output/help.sh

Line 18 in cac0984

--out-dir "$ROOT/src/reference/cli/"

@yash-atreya what is the current status of the automated CLI reference documentation?

[yash-atreya]

Next up on the docket