Merge pull request ocaml#27737 from Leonidas-from-XIV/core-unix-atomic

`core_unix.v0.17.0` does not build on OCaml 5.3

Author: mseri

packages/core_unix/core_unix.v0.17.0/opam

@@ -10,7 +10,7 @@ build: [
   ["dune" "build" "-p" name "-j" jobs]
 ]
 depends: [
-  "ocaml"                    {>= "5.1.0"}
+  "ocaml"                    {>= "5.1.0" & < "5.3"}
   "core"                     {>= "v0.17" & < "v0.18"}
   "core_kernel"              {>= "v0.17" & < "v0.18"}
   "expect_test_helpers_core" {>= "v0.17" & < "v0.18"}