[BUG REPORT] Prevent throwing an error in case GitHub server can't respond

[ZIMkaRU]

An error occurred

Error: Error: net::ERR_CONNECTION_REFUSED
    at SimpleURLLoaderWrapper.<anonymous> (node:electron/js2c/browser_init:2:50076)
    at SimpleURLLoaderWrapper.emit (node:events:514:28)

---

Debug info
Version	4.12.0
Commit Hash	53fa2b5b7d352da4c86ad708c35be7230ec483a6
Commit Date	2023-10-25T09:52:50Z
Electron	27.0.2
Chrome	118.0.5993.89
Node.js	18.17.1
V8	11.8.172.15-electron.0
OS version	Ubuntu SMP PREEMPT_DYNAMIC Fri Sep 15 19:52:30 UTC 2023
OS release	Linux x64 6.5.0-1004-oem
CPUs	11th Gen Intel(R) Core(TM) i7-1165G7 @ 2.80GHz x 8
RAM	31.04GB (21.38GB free)
App RAM limit	4095.75Mb (17.9MB used)
Is BFX API Staging used	No

Main log

```vim [2023-10-30 13:07:29.246] [info] Checking for update [2023-10-30 13:07:30.666] [error] Error: Error: net::ERR_CONNECTION_REFUSED at SimpleURLLoaderWrapper. (node:electron/js2c/browser_init:2:50076) at SimpleURLLoaderWrapper.emit (node:events:514:28) [2023-10-30 13:07:30.668] [error] Error: net::ERR_CONNECTION_REFUSED at SimpleURLLoaderWrapper. (node:electron/js2c/browser_init:2:50076) at SimpleURLLoaderWrapper.emit (node:events:514:28) ```

Worker errors

```vim Empty ```

Worker exceptions

```vim Empty ```

---

The issue was opened from the electron app

[ZIMkaRU]

To reproduce the issue for debugging:

• sudo nano /etc/hosts
• add: 127.0.1.3 objects.githubusercontent.com