php8.1 commands should be php8.3

[vndlgd]

I believe changing this will make the process easier for those following along with the github repo

[groovemonkey]

Thank you! I'll update the version before closing this issue. I'm actually about to update the entire github repo to Ubuntu 24.04, the new LTS version, so I'm guessing several version numbers will change. Appreciate the callout.