package/flac: bump to version 1.5.0

For change log, see:
https://github.com/xiph/flac/releases/tag/1.5.0

The license file COPYING.Xiph hash is updated, after a year update in:
https://github.com/xiph/flac/commit/6974998fd499d65d23e8d42a9c12b6ca04d2e10b

Signed-off-by: Julien Olivain <ju.o@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/flac/flac.hash

@@ -1,6 +1,6 @@
 # From https://ftp.osuosl.org/pub/xiph/releases/flac/SHA256SUMS.txt
-sha256  6c58e69cd22348f441b861092b825e591d0b822e106de6eb0ee4d05d27205b70  flac-1.4.3.tar.xz
+sha256  f2c1c76592a82ffff8413ba3c4a1299b6c7ab06c734dee03fd88630485c2b920  flac-1.5.0.tar.xz
 # Locally computed
 sha256  8177f97513213526df2cf6184d8ff986c675afb514d4e68a404010521b880643  COPYING.GPL
 sha256  5df07007198989c622f5d41de8d703e7bef3d0e79d62e24332ee739a452af62a  COPYING.LGPL
-sha256  12600ea1a7affcbf469bd0d8b2cd725e4167114a2ee834b88f5d2857bfd7ddbf  COPYING.Xiph
+sha256  7866ee98760fc1f0156b4fe6bf530257e02be487ab3fd94e2b63799dd32d6b2c  COPYING.Xiph

package/flac/flac.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-FLAC_VERSION = 1.4.3
+FLAC_VERSION = 1.5.0
 FLAC_SITE = https://ftp.osuosl.org/pub/xiph/releases/flac
 FLAC_SOURCE = flac-$(FLAC_VERSION).tar.xz
 FLAC_INSTALL_STAGING = YES