cogl-version: Fix the 'since' tags in the documentation
cogl-version: Fix the 'since' tags in the documentation

The COGL_VERSION_* macros will also be in Cogl 1.12.0.

(cherry picked from commit e9473b58b80a06d3be34a4b518aade190ed9b666)

Distrotech/cogl,Distrotech/cogl,Distrotech/cogl,Distrotech/cogl