Merge pull request #24066 from mseri/fix-core-o5.1

core v0.15* is not compatible with ocaml 5.1

Author: mseri

packages/core/core.v0.15.0/opam

@@ -10,7 +10,7 @@ build: [
   ["dune" "build" "-p" name "-j" jobs]
 ]
 depends: [
-  "ocaml"               {>= "4.11.0"}
+  "ocaml"               {>= "4.11.0" & < "5.1~"}
   "base"                {>= "v0.15" & < "v0.16"}
   "base_bigstring"      {>= "v0.15" & < "v0.16"}
   "base_quickcheck"     {>= "v0.15" & < "v0.16"}

packages/core/core.v0.15.1/opam

@@ -10,7 +10,7 @@ build: [
   ["dune" "build" "-p" name "-j" jobs]
 ]
 depends: [
-  "ocaml"               {>= "4.11.0"}
+  "ocaml"               {>= "4.11.0" & < "5.1~"}
   "base"                {>= "v0.15.1" & < "v0.16"}
   "base_bigstring"      {>= "v0.15" & < "v0.16"}
   "base_quickcheck"     {>= "v0.15" & < "v0.16"}