Crash auto-update

[fdigennaro]

Node-red Desktop crash during autoupdate when a network change occurs.

[2021-09-16 08:07:40.461] [error] Error: Error: net::ERR_NETWORK_CHANGED
at SimpleURLLoaderWrapper. (electron/js2c/browser_init.js:105:7068)
at SimpleURLLoaderWrapper.emit (events.js:315:20)
[2021-09-16 08:07:40.463] [info] Error in auto-updater. Error: net::ERR_NETWORK_CHANGED
[2021-09-16 08:07:40.776] [error] Error: net::ERR_NETWORK_CHANGED
at SimpleURLLoaderWrapper. (electron/js2c/browser_init.js:105:7068)
at SimpleURLLoaderWrapper.emit (events.js:315:20)

after this it is no longer possible to start nodered, it is necessary to restart the computer (Windows 10)