Add missing version constraint on dependencies between testo subpackages

Author: mjambon

packages/testo-lwt/testo-lwt.0.2.0/opam

@@ -16,7 +16,7 @@ depends: [
   "cmdliner" {>= "1.1.0"}
   "fpath"
   "re" {>= "1.10.0"}
-  "testo-util"
+  "testo-util" {>= "0.2.0"}
   "odoc" {with-doc}
 ]
 build: [

packages/testo-util/testo-util.0.2.0/opam

@@ -12,7 +12,7 @@ depends: [
   "fpath"
   "re" {>= "1.10.0"}
   "ppx_deriving"
-  "testo-diff"
+  "testo-diff" {>= "0.2.0"}
   "odoc" {with-doc}
 ]
 build: [

packages/testo/testo.0.2.0/opam

@@ -15,7 +15,7 @@ depends: [
   "cmdliner" {>= "1.1.0"}
   "fpath"
   "re" {>= "1.10.0"}
-  "testo-util"
+  "testo-util" {>= "0.2.0"}
   "odoc" {with-doc}
 ]
 build: [