feat: download progress precision (#1734)

Signed-off-by: Adam Setch <[email protected]>

Author: setchy

src/main/updater.ts

@@ -34,7 +34,7 @@ export default class Updater {
 
     autoUpdater.on('download-progress', (progressObj) => {
       this.menubar.tray.setToolTip(
-        `Gitify\nDownloading update: ${progressObj.percent} %`,
+        `Gitify\nDownloading update: ${progressObj.percent.toFixed(2)} %`,
       );
     });