cca7: fix compilation warnings/errors

Author: raphael-proust

packages/cca/cca.0.7/opam

@@ -16,16 +16,17 @@ depends: [
   "camlp-streams"
   "cohttp"
   "camlzip"
+  "cmdliner" {>= "1.0.0" & < "2"}
   "cryptokit"
   "csv"
   "num"
   "git-unix" {>= "3.9.1"}
   "menhir" {>= "20220210"}
   "ocamlnet"
   "pxp"
-  "uuidm"
+  "uuidm" {< "0.9.9"}
   "volt"
-  "mtime" {>= "2.0"}
+  "mtime" {>= "2.0" & < "2.1"}
 ]
 conflicts: [
   "mirage-mtime" {>= "5.0.0"}