Fotema 1.15 now requires glib-2.81 for compilation, but it's not available on many distributions yet

[NelvinBHV]

With the update to version 1.15, fotema now requires glib-2.81 as a dependency for compilation. Unfortunately, glib-2.81 is not yet available by default in many popular Linux distributions. This leads to compatibility issues when trying to compile fotema from source.

Steps to reproduce:

Attempt to compile fotema 1.15 on a distribution that offers a glib version lower than 2.81. The compilation process fails due to the unavailability of the required glib version.

fotema 1.15 should either be able to compile with older versions of glib or provide clear instructions/workarounds for how to proceed on distributions lacking glib-2.81.