package/webp: bump to version 1.5.0

ChangeLog (concise version):
https://github.com/webmproject/libwebp/blob/main/NEWS

ChangeLog (detailed version):
https://github.com/webmproject/libwebp/blob/main/ChangeLog

Signed-off-by: Gilles Talis <gilles.talis@gmail.com>
Signed-off-by: Julien Olivain <ju.o@free.fr>

package/webp/webp.hash

@@ -1,3 +1,3 @@
 # Locally calculated
-sha256  61f873ec69e3be1b99535634340d5bde750b2e4447caa1db9f61be3fd49ab1e5  libwebp-1.4.0.tar.gz
+sha256  7d6fab70cf844bf6769077bd5d7a74893f8ffd4dfb42861745750c63c2a5c92c  libwebp-1.5.0.tar.gz
 sha256  5aec868f669e384a22372a4e8a1a6cd7d44c64cd451f960ca69cc170d1e13acf  COPYING

package/webp/webp.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-WEBP_VERSION = 1.4.0
+WEBP_VERSION = 1.5.0
 WEBP_SOURCE = libwebp-$(WEBP_VERSION).tar.gz
 WEBP_SITE = http://downloads.webmproject.org/releases/webp
 WEBP_LICENSE = BSD-3-Clause