chore: Upgrade orbitdb to 2.4.3

[islathehut]

• Upgrade to orbitdb 2.4.3 (this includes Libp2p 2.X and Helia 5.X, the latest versions)
• Mild code updates to be compatible with changes in dependencies
• Fix for leave community bug
• Fix for download cancellation bug

Pull Request Checklist

• I have linked this PR to a related GitHub issue.
• I have added a description of the change (and Github issue number, if any) to the root CHANGELOG.md.

(Optional) Mobile checklist

Please ensure you completed the following checks if you did any changes to the mobile package:

• I have run e2e tests for mobile
• I have updated base screenshots for visual regression tests

[islathehut]

This should fix the following:

• Missing "Download file" button for new users #2679
• Error when the user leaves the community #2682

[islathehut]

Merging to get an alpha in front of Kinga but will be open to review once Taea is back.