update known information for Node.js to version 20.9.0

This marks the transition of Node.js 20.x into Long Term Support
(LTS) with the codename 'Iron'. The 20.x release line has moved
into "Active LTS".

updater/software/NodeJS.cs

@@ -63,7 +63,7 @@ public NodeJS(bool autoGetNewer)
         /// details about the software.</returns>
         public override AvailableSoftware knownInfo()
         {
-            const string version = "18.18.2";
+            const string version = "20.9.0";
             var signature = new Signature(publisherX509, certificateExpiration);
             return new AvailableSoftware(
                 "Node.js",
@@ -73,13 +73,13 @@ public override AvailableSoftware knownInfo()
                 new InstallInfoMsi(
                     "https://nodejs.org/download/release/v" + version + "/node-v" + version + "-x86.msi",
                     HashAlgorithm.SHA256,
-                    "77684d746d977404ee1832505ae64fb4cb8355eb12e4bf37c3036f7cf3b84e5b",
+                    "808d504dfd367b72260b378a5a5ee1812751a43512ab48d70d9d945f22c71af8",
                     signature,
                     "/qn /norestart"),
                 new InstallInfoMsi(
                     "https://nodejs.org/download/release/v" + version + "/node-v" + version + "-x64.msi",
                     HashAlgorithm.SHA256,
-                    "221f2a904f13105122a108fb735a8f89615864c7bcba3842fa1ef684f136abe3",
+                    "b2decdfc3dd4bb43965be46302e1198b1a3a95da0be5c7dc7eb221c185a3c5fd",
                     signature,
                     "/qn /norestart")
                     );
@@ -121,7 +121,7 @@ public override AvailableSoftware searchForNewer()
             try
             {
                 // Note: Changes this URL as soon as the next version enters LTS state.
-                var task = client.GetStringAsync("https://nodejs.org/dist/latest-v18.x/");
+                var task = client.GetStringAsync("https://nodejs.org/dist/latest-v20.x/");
                 task.Wait();
                 htmlCode = task.Result;
             }