Add back a line that was lost in dotnet/installer migration (#41537)

Author: MichalStrehovsky

src/Installer/redist-installer/targets/GenerateBundledVersions.targets

@@ -373,6 +373,7 @@
         @(Net80ILCompilerSupportedRids);
         linux-arm;
         linux-musl-arm;
+        win-x86;
         " />
 
       <!-- The subset of ILCompiler target RIDs that are officially supported. Should be a subset of