nvm 0.22.0

Closes #35318.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
test-bot: check if dependents are installed.

Before fetching or installing with no args.
test-bot: tweak readability.
test-bot: clean harder if first clean fails.
flac: add test (encode and decode "raw audio")
flac: update 1.3.1 bottle.