package/libostree: bump to version 2020.8

Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/libostree/libostree.hash

@@ -1,3 +1,3 @@
 # Locally calculated
-sha256  865d4818820d128a2e505380358275bb964984348b3d0685b6455099e4736972  libostree-2020.6.tar.xz
+sha256  fdaa5992d0a6f62157152355449ac8476c50df6602be398e9ad10438cc1e679b  libostree-2020.8.tar.xz
 sha256  b7993225104d90ddd8024fd838faf300bea5e83d91203eab98e29512acebd69c  COPYING

package/libostree/libostree.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBOSTREE_VERSION = 2020.6
+LIBOSTREE_VERSION = 2020.8
 LIBOSTREE_SOURCE = libostree-$(LIBOSTREE_VERSION).tar.xz
 LIBOSTREE_SITE = https://github.com/ostreedev/ostree/releases/download/v$(LIBOSTREE_VERSION)