download-plugins: fix logging of failures

Because Array.forEach(f) calls f with (currentValue, index, array), the output
was not only the messages, but also the index and full array.

Signed-off-by: Jérome Perrin <perrinjerome@gmail.com>

dev-packages/cli/src/download-plugins.ts

@@ -83,7 +83,7 @@ export default async function downloadPlugins(options: DownloadPluginsOptions =
     } finally {
         temp.cleanupSync();
     }
-    failures.forEach(console.error);
+    failures.forEach(e => { console.error(e); });
     if (!ignoreErrors && failures.length > 0) {
         throw new Error('Errors downloading some plugins. To make these errors non fatal, re-run with --ignore-errors');
     }