Add missing cmdliner lower bound in boltzgen.0.9 and 0.9.2

Author: jmid

packages/boltzgen/boltzgen.0.9.2/opam

@@ -11,7 +11,7 @@ depends: [
   "dune" {>= "2.7"}
   "ocaml" {>= "4.08.0" & < "5.3.0"}
   "ocaml-compiler-libs"
-  "cmdliner" {< "2.0.0"}
+  "cmdliner" {>= "1.0.0" & < "2.0.0"}
   "base-unix"
   "odoc" {with-doc}
 ]

packages/boltzgen/boltzgen.0.9/opam

@@ -11,7 +11,7 @@ depends: [
   "dune" {>= "2.6"}
   "ocaml" {>= "4.08.1" & < "5.3.0"}
   "ocaml-compiler-libs"
-  "cmdliner" {< "2.0.0"}
+  "cmdliner" {>= "1.0.0" & < "2.0.0"}
 ]
 build: [
   ["dune" "subst"] {dev}