Remove PHP 8.1 and add PHP 8.4 & 8.5 support

[alexmerlin]

Feature Request

Q	A
New Feature	yes
RFC	no
BC Break	no

[alexmerlin]

@arhimede
We can add PHP 8.5 support to dot-form only after:

• laminas-hydrator adds support for PHP 8.5 in their composer.json and releases version 4.17
• laminas-form bumps their laminas-hydrator dependency in composer.json to the new 4.17 version

[arhimede]

laminas/laminas-hydrator#148