Switch to mirrorred images for Drone and Docker, update to PHP 8.

configuration/php7/php-fpm.conf

@@ -1,7 +0,0 @@
-[global]
-pid = /var/run/php-fpm7.pid
-
-error_log = /proc/self/fd/2
-daemonize = no
-
-include=/etc/php7/php-fpm.d/*.conf

configuration/php8/php-fpm.conf

@@ -0,0 +1,7 @@
+[global]
+pid = /var/run/php-fpm8.pid
+
+error_log = /proc/self/fd/2
+daemonize = no
+
+include=/etc/php8/php-fpm.d/*.conf