ESDC - Preprocessing of GFED4 is failing due to missing input files

The preprocessing of GFED4 is failing in the ESDC recipe due to missing input files. Please include GFED4 in the inputs collect section described in the recipe.

https://github.com/deepesdl/cube-gen/blob/main/ESDC/inputs-preprocess/GFED4/gfed4-burntarea-data-cube-8d-0.25deg.py#L9