update opam file

aoc.opam

@@ -10,11 +10,11 @@ homepage: "https://github.com/username/reponame"
 doc: "https://url/to/documentation"
 bug-reports: "https://github.com/username/reponame/issues"
 depends: [
-  "ocaml"
-  "dune" {>= "3.10"}
   "utop"
   "ocaml-lsp-server"
   "ocamlformat"
+  "ocaml"
+  "dune" {>= "3.10"}
   "re"
   "containers"
   "iter"