Emulate is_musl_based_distro

Author: winstliu

src/platform.ts

@@ -177,12 +177,13 @@ export class PlatformInformation {
         return architecture;
     }
 
+    // Emulates https://github.com/dotnet/install-scripts/blob/3c6cc06/src/dotnet-install.sh#L187-L189.
     private static async GetIsMusl(): Promise<boolean> {
         try {
             const output = await util.execChildProcess('ldd --version');
             return output.includes('musl');
         } catch (err) {
-            return false;
+            return err instanceof Error ? err.message.includes('musl') : false;
         }
     }