Add context for new mariadbd executable files

Since MariaDB 10.5 switch between mariadbd and mysqld files
(executable files <-> symlinks), we need to add context to the new
executable files.

The change is noted here:
https://mariadb.com/kb/en/changes-improvements-in-mariadb-105/#binaries-named-mariadb-mysql-symlinked

policy/modules/contrib/mysql.fc

@@ -28,11 +28,19 @@ HOME_DIR/\.my\.cnf -- gen_context(system_u:object_r:mysqld_home_t, s0)
 /usr/libexec/mysqld	--	gen_context(system_u:object_r:mysqld_exec_t,s0)
 /usr/libexec/mysqld_safe-scl-helper --  gen_context(system_u:object_r:mysqld_safe_exec_t,s0)
 
-
 /usr/sbin/mysqld(-max|-debug)?	--	gen_context(system_u:object_r:mysqld_exec_t,s0)
 /usr/sbin/mysqlmanager	--	gen_context(system_u:object_r:mysqlmanagerd_exec_t,s0)
 /usr/sbin/ndbd		--	gen_context(system_u:object_r:mysqld_exec_t,s0)
 
+#
+# /usr - mariadb
+#
+/usr/bin/mariadbd-safe	--	gen_context(system_u:object_r:mysqld_safe_exec_t,s0)
+/usr/bin/mariadbd-safe-helper    --      gen_context(system_u:object_r:mysqld_exec_t,s0)
+/usr/bin/mariadb-upgrade	--	gen_context(system_u:object_r:mysqld_exec_t,s0)
+
+/usr/libexec/mariadbd	--	gen_context(system_u:object_r:mysqld_exec_t,s0)
+
 #
 # /var
 #