Added missing dune-configurator dependency

Author: mmottl

dune-project

@@ -24,6 +24,7 @@ Postgresql offers library functions for accessing PostgreSQL databases.")
   (depends
     (ocaml (>= 4.08))
     (dune (>= 1.10))
+    dune-configurator
     (base :build)
     (stdio :build)
     (conf-postgresql :build)

postgresql.opam

@@ -23,6 +23,7 @@ description:
 depends: [
   "ocaml" {>= "4.08"}
   "dune" {>= "1.10"}
+  "dune-configurator"
   "base" {build}
   "stdio" {build}
   "conf-postgresql" {build}