CI: ajdust for "pmbootstrap ci"
Adjust shellcheck.sh, so it works with the "pmbootstrap ci" command.
Related: https://postmarketos.org/pmb-ci
Also fix a typo while at it.
Adjust shellcheck.sh, so it works with the "pmbootstrap ci" command.
Related: https://postmarketos.org/pmb-ci
Also fix a typo while at it.