feat: media bitrate control, HDR (#346)

Fixes: #335 

Still a work-in-progress.

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Co-authored-by: DatCaptainHorse <DatCaptainHorse@users.noreply.github.com>
Co-authored-by: Claude Opus 5 <noreply@anthropic.com>
Co-authored-by: Wanjohi <elviswanjohi47@gmail.com>

apps/nescope/Cargo.toml

@@ -28,8 +28,6 @@ smithay = { version = "0.7", default-features = false, features = [
 # Wayland client – connects to the host compositor to forward buffers.
 wayland-client   = "0.31"
 wayland-protocols = { version = "0.32", features = ["client", "staging", "server"] }
-# Needed to generate the gamescope_swapchain protocol bindings.
-wayland-scanner  = "0.31"
 wayland-backend  = "0.3"
 
 # Event loop