package/php: bump version to 8.4.15

Release notes:
https://www.php.net/releases/8.4/en.php
https://news-web.php.net/php.announce/473

Changelog: https://www.php.net/ChangeLog-8.php#PHP_8_4

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/php/php.hash

@@ -1,5 +1,5 @@
 # From https://www.php.net/downloads.php?source=Y
-sha256  bac90ee7cf738e814c89b6b27d4d2c4b70e50942a420837e1a22f5fd5f9867a3  php-8.4.14.tar.xz
+sha256  a060684f614b8344f9b34c334b6ba8db1177555997edb5b1aceab0a4b807da7e  php-8.4.15.tar.xz
 
 # License file
 sha256  b42e4df5e50e6ecda1047d503d6d91d71032d09ed1027ba1ef29eed26f890c5a  LICENSE

package/php/php.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-PHP_VERSION = 8.4.14
+PHP_VERSION = 8.4.15
 PHP_SITE = https://www.php.net/distributions
 PHP_SOURCE = php-$(PHP_VERSION).tar.xz
 PHP_INSTALL_STAGING = YES