main/gstreamer: upgrade to 1.20.6

main/gstreamer/APKBUILD

 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=gstreamer
-pkgver=1.20.5
+pkgver=1.20.6
 pkgrel=0
 pkgdesc="GStreamer streaming media framework"
 url="https://gstreamer.freedesktop.org"
@@ -79,5 +79,5 @@ tools() {
 }
 
 sha512sums="
-90c5f5865877170bb0dc570e61c22c27dea5adae2d9c304227da266b5b5b2eccd98ed21943f14bb5dfe169f4e020b8ac457a5d540363dfe2547180f34a3c7b29  gstreamer-1.20.5.tar.xz
+eefd2932feb6c6c50eb69dd4831f4e4fe63c7f852050ddce0f447b0b54df2e2e5f81b6c1fefe295e2c771f2accef62aaef6aef3bda8395a1b75c84b9916d7795  gstreamer-1.20.6.tar.xz
 "