[php] use PHP 8.4

[imdhemy]

Description

Description

Upgrade the minimum required PHP version to PHP 8.4.

• Composer files.
• Docker files.
• Documentation.
• Github workflows.
• Any other places you may spot.

[imdhemy]

Can I assign this to you? @EmanFateen

[EmanFateen]

@imdhemy Sure, you can assign any ticket to me.

[EmanFateen]

Hi @imdhemy, I will divide this ticket into two PRs

• Upgrade Pslam to v6. Here is its PR => chore(dependencies): upgrade psalm to v6 #487

• Upgrade php to v8.4, which I will work on after merging the plsam PR.