gas-preprocessor.recipe: Bump to latest commit
gas-preprocessor.recipe: Bump to latest commit

Part-of: <https://gitlab.freedesktop.org/gstreamer/cerbero/-/merge_requests/513>

nirbheek/cerbero,nirbheek/cerbero,GStreamer/cerbero,nirbheek/cerbero,GStreamer/cerbero,GStreamer/cerbero,GStreamer/cerbero,nirbheek/cerbero,GStreamer/cerbero