x11/hyprlock: update to 0.9.1

While here:

• add patch to fix detection of pam library
• update package description
• sort variables to make portclippy happy

Changelog:

• https://github.com/hyprwm/hyprlock/releases/tag/v0.9.0
• https://github.com/hyprwm/hyprlock/releases/tag/v0.9.1

Reported by: GitHub (watch releases)