CodeIgniter 4.4.5 version bump

- Corrected syntax to allow all 8.x versions of PHP in composer.json
- Bumped CodeIgniter from 4.4.3 to 4.4.5
- Bumped Code from 4.4.3 format to 4.4.4 format
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Internal Server Error - Gitea: Git with a cup of tea
500 Internal Server Error

Gitea Version: 1.28.0+dev-477-g8b6ad49a5f