Fix an issue where permissions can be incorrect if restoring to a different system.  Also minor maintenance.
Please ensure to perform a snapshot prior to updating in case of issues.

- ⬆Update composer to 1.10.10-r0
- ⬆Update php to 7.3.22-r0
- 🔨Fix file permissions

Questions? Join our Discord server! https://discord.me/hassioaddons

[Full Changelog][changelog]

[changelog]: https://github.com/hassio-addons/addon-bookstack/compare/v0.4.4...v0.5.0