Fix constraints on merlin-lib

Author: voodoos

packages/dot-merlin-reader/dot-merlin-reader.4.19-414/opam

@@ -13,7 +13,7 @@ build: [
 depends: [
   "ocaml" {>= "4.14"}
   "dune" {>= "3.0.0"}
-  "merlin-lib" {>= "4.17"}
+  "merlin-lib" {= version}
   "ocamlfind" {>= "1.6.0"}
 ]
 description:

packages/ocaml-lsp-server/ocaml-lsp-server.1.20.1-4.14/opam

@@ -44,7 +44,7 @@ depends: [
   "csexp" {>= "1.5"}
   "ocamlformat-rpc-lib" {>= "0.21.0"}
   "odoc" {with-doc}
-  "merlin-lib" {>= "4.18" & < "5.0"}
+  "merlin-lib" {>= "4.18" & < "4.19"}
 ]
 dev-repo: "git+https://github.com/ocaml/ocaml-lsp.git"
 build: [