Make build compatible with newer nixpkgs

Nodejs 10 was marked as insecure which leads to the build failing. This
overrides the nodejs 10 derivation to not be marked as insecure. It does
not pose a high security risk due to it only being used in the
(sandboxed) build process with pinned inputs.

flake.nix

@@ -10,7 +10,13 @@
     overlay = final: prev: {
       AriaNg =
         let
-          nodeDependencies = (prev.callPackage ./build-dependencies.nix { pkgs = prev; }).shell.nodeDependencies;
+          # mark nodejs 10 as secure, YOLO
+          # it is somewhat acceptable, because it only gets used for the build
+          # upstream recommends using node 8, so using node 10 is the more secure option
+          # https://github.com/mayswind/AriaNg/issues/606#issuecomment-842461874
+          nodejs = prev.nodejs-10_x.overrideAttrs (o: o // { meta = o.meta // { insecure = false; }; });
+
+          nodeDependencies = (prev.callPackage ./build-dependencies.nix { pkgs = prev; inherit nodejs; }).shell.nodeDependencies;
         in
         prev.stdenvNoCC.mkDerivation {
           pname = "AriaNg";