Apply suggestions from code review

Author: kit-ty-kate

packages/re/re.1.14.0/opam

@@ -22,11 +22,12 @@ license: "LGPL-2.1-or-later WITH OCaml-LGPL-linking-exception"
 homepage: "https://github.com/ocaml/ocaml-re"
 bug-reports: "https://github.com/ocaml/ocaml-re/issues"
 depends: [
-  "dune" {>= "3.15"}
-  "ocaml" {>= "4.12.0"}
+  "dune" {>= "3.17"}
+  "ocaml" {>= "4.13.0"}
   "ppx_expect" {with-test}
   "ounit2" {with-test}
   "js_of_ocaml" {with-test}
+  "conf-npm" {with-test}
   "odoc" {with-doc}
 ]
 build: [