package/shairport-sync: bump to version 2.8.0

Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/shairport-sync/shairport-sync.hash

@@ -1,2 +1,2 @@
 # Locally calculated
-sha256  d04036241e5a811240c43a3ddfb05a119a6043e8c5f1f354872a88e6cbdaef07  shairport-sync-2.6.tar.gz
+sha256  6f3535012ed25017e4f893f9bad5391c2ea23c64f398caac3f29d8dad5f9e987  shairport-sync-2.8.0.tar.gz

package/shairport-sync/shairport-sync.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-SHAIRPORT_SYNC_VERSION = 2.6
+SHAIRPORT_SYNC_VERSION = 2.8.0
 SHAIRPORT_SYNC_SITE = $(call github,mikebrady,shairport-sync,$(SHAIRPORT_SYNC_VERSION))
 
 SHAIRPORT_SYNC_LICENSE = MIT, BSD-3c