fix: incorrect env for releaser

Author: kirinnee

nix/env.nix

@@ -41,4 +41,10 @@ with packages;
     docker
     helm
   ];
+
+  releaser = [
+    nodejs
+    sg
+    npm
+  ];
 }

nix/shells.nix

@@ -9,4 +9,8 @@ with env;
     buildInputs = system ++ main ++ lint ++ infra;
     inherit shellHook;
   };
+  releaser = pkgs.mkShell {
+    buildInputs = system ++ main ++ lint ++ infra ++ releaser;
+    inherit shellHook;
+  };
 }