redis: restrict /etc/redis permissions

It's not a good idea to have /etc/redis/redis.conf world-readable since
it may contain sensitive informations like passwords.

srcpkgs/redis/template

@@ -1,7 +1,7 @@
 # Template file for 'redis'
 pkgname=redis
 version=7.0.8
-revision=1
+revision=2
 build_style=gnu-makefile
 make_build_args="V=1"
 make_check_target="test"
@@ -18,7 +18,9 @@ system_accounts="redis"
 redis_homedir="/var/lib/redis"
 conf_files="/etc/redis/redis.conf"
 
-make_dirs="/var/lib/redis 0700 redis redis"
+make_dirs="
+ /var/lib/redis 0700 redis redis
+ /etc/redis 0750 root redis"
 
 if [ "$XBPS_TARGET_LIBC" = "musl" ]; then
 	make_build_args+=" MALLOC=libc"