Encountering `TypeError: fs.outputFileSync is not a function` when launching gitify for the first time

[mcmxcdev]

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📝 Description

When attempting to download the application for the first time ever, I run into this issue:

./Gitify-4.4.0_45bea4f566c624e7e37689d91043f8b5.AppImage 
QSocketNotifier: Can only be used with threads started with QThread
First run: Unable to write firstRun file TypeError: fs.outputFileSync is not a function
    at isFirstRun (/tmp/.mount_Gitifyxel9ZW/resources/app.asar/first-run.js:45:8)
    at onFirstRunMaybe (/tmp/.mount_Gitifyxel9ZW/resources/app.asar/first-run.js:7:7)
    at App.<anonymous> (/tmp/.mount_Gitifyxel9ZW/resources/app.asar/main.js:42:9)
    at App.emit (events.js:327:22)
Checking for update
Update for version 4.4.0 is not available (latest version: 4.4.0, downgrade is disallowed).
checkForUpdatesAndNotify called, downloadPromise is null

🪜 Steps To Reproduce

1. Download Gitify as AppImage
2. Attempt to launch it
3. Encounter error described above in "Description" section

ℹ System Info

Ubuntu 23.04
Gnome 44.3
Linux Kernel 6.4.11

Gitify 4.4.0

📸 Screenshots

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