software/matomo: version up matomo 4.15.1

now that slapos uses php 8

software/matomo/software.cfg

 [buildout]
 extends =
   buildout.hash.cfg
-# LAMP stands for Linux, Apache, MySQL, PHP
   ../../stack/lamp/buildout.cfg
-# "slapos" stack describes basic things needed for 99.9% of SlapOS Software
   ../../stack/slapos.cfg
-
   ../../component/diffutils/buildout.cfg
 
 parts =
@@ -24,8 +21,8 @@ url = ${:_profile_base_location_}/${:filename}
 # download matomo
 # The specific process of downloading and decompressing is defined in stack lamp
 [application]
-url = https://builds.matomo.org/matomo-4.7.1.zip
-md5sum = 8d592676bc2c0d51363ad7b2caf171fe
+url = https://builds.matomo.org/matomo-4.15.1.zip
+md5sum = d7d2c4f94cb77af859d0cee8e9e0dbdb
 archive-root = matomo
 
 # give the location of the instance-matomo.cfg fil