Update packages/kcas/kcas.0.1.5/opam
Update packages/kcas/kcas.0.1.5/opam

Co-authored-by: Tim McGilchrist <9d75f74b0a1ffc2ee672087bd124723194c5df0d@gmail.com>
ocaml/opam-repository,ocaml/opam-repository