[FFmpeg-soc] libavfilter FT new FFmpeg maintainership

[Thilo Borgmann]

> are there any play to continue *libavfilter* development?

At least my plans to write some more filters.

> May be it's a time to merge libavfilter-soc to main *ffmpeg* tree?

No matter about what ffmpeg tree we're talking, this will for sure not happen in
an overhasty commit. The soc repo is as far as I can see not endangered by anything.

-Thilo