ocamlPackages.bap: use LLVM 14

This fixes build after #241692

(cherry picked from commit 2a39e05)

pkgs/top-level/ocaml-packages.nix

@@ -806,7 +806,7 @@ let
         lwt_ppx = self.lwt_ppx.override { inherit ppxlib; };
         sedlex = self.sedlex.override { inherit ppxlib ppx_expect; };
         in callPackage ../development/ocaml-modules/bap {
-          inherit (pkgs.llvmPackages) llvm;
+          inherit (pkgs.llvmPackages_14) llvm;
           ezjsonm = self.ezjsonm.override { inherit sexplib0; };
           ppx_bitstring = self.ppx_bitstring.override { inherit ppxlib; };
           ocurl = self.ocurl.override { inherit lwt_ppx; };