matrix-appservice-discord: fix build by pinning nodejs_20 (#410646)

pkgs/by-name/ma/matrix-appservice-discord/package.nix

@@ -7,11 +7,12 @@
   makeWrapper,
   removeReferencesTo,
   python3,
-  nodejs,
+  nodejs_20,
   matrix-sdk-crypto-nodejs,
 }:
 
 let
+  nodejs = nodejs_20; # only supports nodejs v18.X - v20.X
   pin = lib.importJSON ./pin.json;
   nodeSources = srcOnly nodejs;
 
@@ -19,6 +20,7 @@ in
 mkYarnPackage rec {
   pname = "matrix-appservice-discord";
   inherit (pin) version;
+  inherit nodejs;
 
   src = fetchFromGitHub {
     owner = "matrix-org";
@@ -101,7 +103,7 @@ mkYarnPackage rec {
 
   meta = {
     description = "Bridge between Matrix and Discord";
-    homepage = "https://github.com/Half-Shot/matrix-appservice-discord";
+    homepage = "https://github.com/matrix-org/matrix-appservice-discord";
     license = lib.licenses.asl20;
     maintainers = with lib.maintainers; [ euxane ];
     platforms = lib.platforms.linux;