bumped sync timer to 5500

[0x4f53]

:recycle: Current situation

The network call timer thread executed too frequently, causing Volley to suffer from a memory leak from inconclusive requests.

:bulb: Proposed solution

Increase the timer interval to 5500ms.

📷 Screenshots

NA

📚 Release Notes

• Changed the timer interval to 5500ms.

📝 Testing

• Start the Keyspace app, make sure your vault has entries.
• Keep the app open for 15 minutes and check if the app is still up and running in the foreground.
• Tell me if it crashes or not in the comments.