Alter whitespace in "Update Complete" output

Most places say "Happy Helming!".

But pkg/downloader/manager.go also says "⎈Happy Helming!⎈"

Signed-off-by: Simon Shine <simon@simonshine.dk>
(cherry picked from commit 844e575d2a)

cmd/helm/repo_update.go

@@ -96,5 +96,5 @@ func updateCharts(repos []*repo.ChartRepository, out io.Writer) {
 		}(re)
 	}
 	wg.Wait()
-	fmt.Fprintln(out, "Update Complete. ⎈ Happy Helming!⎈ ")
+	fmt.Fprintln(out, "Update Complete. ⎈Happy Helming!⎈")
 }