CodeIgniter 4.5.5

CodeIgniter 4.5.5 release.

See the changelog: https://github.com/codeigniter4/CodeIgniter4/blob/develop/CHANGELOG.md

New Contributors

• @warcooft made their first contribution in #9115
• @eightrix made their first contribution in #9172

Full Changelog: v4.5.4...v4.5.5