Update packages/bitcoin-cohttp-lwt/bitcoin-cohttp-lwt.3.0/opam

Co-authored-by: Kate <[email protected]>

Author: mbacarella

packages/bitcoin-cohttp-lwt/bitcoin-cohttp-lwt.3.0/opam

@@ -12,7 +12,7 @@ homepage: "https://github.com/darioteixeira/ocaml-bitcoin"
 bug-reports: "https://github.com/darioteixeira/ocaml-bitcoin/issues"
 depends: [
   "dune" {>= "2.8"}
-  "bitcoin"
+  "bitcoin" {= version}
   "cohttp-lwt"
   "cohttp-lwt-unix"
   "odoc" {with-doc}