x11-drivers/xf86-video-intel: Update to 2.99.917-939

Update WWW and TOOLS dependencies.

Changes:
https://gitlab.freedesktop.org/xorg/driver/xf86-video-intel/-/compare/b74b67f0f321...4a64400ec6a7

PR: 279380
Approved by: x11 (maintainer timeout)
Approved by: osa, fluffy (mentors, implicit)
Co-authored-by: jbeich