Increase bound of ctypes to 0.23.0

We need 0.23.0 for `const`

Author: tjammer

dune-project

@@ -27,7 +27,7 @@
    (>= 3.20))
   dune-configurator
   (ctypes
-   (>= 0.14))
+   (>= 0.23.0))
   (integers
    (>= 0.5))
   (patch

raylib.opam

@@ -12,7 +12,7 @@ depends: [
   "ocaml" {>= "4.08.0"}
   "dune" {>= "3.20" & >= "3.20"}
   "dune-configurator"
-  "ctypes" {>= "0.14"}
+  "ctypes" {>= "0.23.0"}
   "integers" {>= "0.5"}
   "patch" {>= "3.0.0"}
   "conf-mesa" {os = "linux" | os-family = "bsd"}