nit(nix): move pyright from buildInputs to nativeBuildInputs

See: https://discourse.nixos.org/t/use-buildinputs-or-nativebuildinputs-for-nix-shell/8464/2

nix/shell.nix

@@ -1,7 +1,6 @@
 # SPDX-FileCopyrightText: (c) TagStudio Contributors
 # SPDX-License-Identifier: GPL-3.0-only
 
-
 {
   lib,
   pkgs,
@@ -78,10 +77,10 @@ pkgs.mkShellNoCC {
     coreutils
     uv
 
+    pyright
     ruff
   ];
   buildInputs = [
-    pkgs.pyright
     python3Wrapped
   ]
   ++ (with pkgs; [