Renamed requires

[Trial97]

Now that the requires is a keyword in C++20 I get a warning regarding that:

In file included from ~/.cache/paru/clone/prismlauncher-git/src/PrismLauncher/launcher/meta/Version.h:26,
                 from ~/.cache/paru/clone/prismlauncher-git/src/PrismLauncher/launcher/meta/VersionList.h:23,
                 from ~/.cache/paru/clone/prismlauncher-git/src/PrismLauncher/launcher/meta/Index.h:22,
                 from ~/.cache/paru/clone/prismlauncher-git/src/PrismLauncher/tests/Index_test.cpp:3:
~/.cache/paru/clone/prismlauncher-git/src/PrismLauncher/launcher/minecraft/VersionFile.h:141:22: warning: identifier ‘requires’ is a keyword in C++20 [-Wc++20-compat]
  141 |     Meta::RequireSet requires;
      |                      ^~~~~~~~

This PR resolves the mentioned warnings