youtube-dl: update to version 2020.9.20

Release notes: https://github.com/ytdl-org/youtube-dl/releases/tag/2020.09.20

Signed-off-by: Josef Schlehofer <pepe.schlehofer@gmail.com>

multimedia/youtube-dl/Makefile

@@ -8,11 +8,11 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=youtube-dl
-PKG_VERSION:=2020.9.14
+PKG_VERSION:=2020.9.20
 PKG_RELEASE:=1
 
 PYPI_NAME:=youtube_dl
-PKG_HASH:=fdd7e328c6f23e83f331490293dc8fb4d4ca07eaf22b895d51021541abcc4236
+PKG_HASH:=67fb9bfa30f5b8f06227c478a8a6ed04af1f97ad4e81dd7e2ce518df3e275391
 
 PKG_MAINTAINER:=Josef Schlehofer <pepe.schlehofer@gmail.com>
 PKG_LICENSE:=Unlicense