Recompile FFmpeg package using light build

+ Disabling any encoders, unused filters, muxers
+ Selecting only few decoders, protocols and demuxers
+ Disabling libpostproc compilation

Author: neon-nyan

metadata/media_codecs/ffmpeg-7.1-lightcollapsebuild-lgpl2.1-shared.7z

@@ -1,4 +1,4 @@
 [
-    "/metadata/media_codecs/ffmpeg-7.1latest-collapsebuild-lgpl-shared.7z",
+    "/metadata/media_codecs/ffmpeg-7.1-lightcollapsebuild-lgpl2.1-shared.7z",
     "https://github.com/BtbN/FFmpeg-Builds/releases/download/latest/ffmpeg-n7.1-latest-win64-lgpl-shared-7.1.zip"
 ]