gl-shaders: Add debug scope to print generated shader

Signed-off-by: Harish Krupo <harishkrupo@gmail.com>
2 jobs for hdr_framework in 55 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Container Prep
passed #342203
container_prep

00:00:25

 
  Build
passed #342204
build-native-meson

00:00:29