add correct upper bounds for ocaml (#2741)

Author: anmonteiro

dune-project

@@ -34,7 +34,7 @@
   (ocaml
    (and
     (>= "4.03")
-    (< "5.2")))
+    (< "5.3")))
   (ocamlfind :build)
   (dune-build-info
    (>= 2.9.3))
@@ -56,7 +56,7 @@
   (ocaml
    (and
     (>= "4.03")
-    (< "5.2")))
+    (< "5.3")))
   (reason
    (= :version))
   (utop

reason.opam

@@ -16,7 +16,7 @@ homepage: "https://reasonml.github.io/"
 bug-reports: "https://github.com/reasonml/reason/issues"
 depends: [
   "dune" {>= "2.9"}
-  "ocaml" {>= "4.03" & < "5.2"}
+  "ocaml" {>= "4.03" & < "5.3"}
   "ocamlfind" {build}
   "dune-build-info" {>= "2.9.3"}
   "menhir" {>= "20180523"}

rtop.opam

@@ -14,7 +14,7 @@ homepage: "https://reasonml.github.io/"
 bug-reports: "https://github.com/reasonml/reason/issues"
 depends: [
   "dune" {>= "2.9"}
-  "ocaml" {>= "4.03" & < "5.2"}
+  "ocaml" {>= "4.03" & < "5.3"}
   "reason" {= version}
   "utop" {>= "2.0"}
   "odoc" {with-doc}