fix: flake.nix

Author: onsah

flake.nix

@@ -10,15 +10,15 @@
       let
         pkgs = import nixpkgs {
           inherit system;
-          overlays = [ typelevel-nix.overlay ];
+          overlays = [ typelevel-nix.overlays.default ];
         };
       in
       {
         devShell = pkgs.devshell.mkShell {
           imports = [ typelevel-nix.typelevelShell ];
           name = "fs2-shell";
           typelevelShell = {
-            jdk.package = pkgs.jdk17;
+            jdk.package = pkgs.jdk23;
             nodejs.enable = true;
             native.enable = true;
             native.libraries = [ pkgs.zlib pkgs.s2n-tls pkgs.openssl ];