Issue description

ip-restriction will return json when the remote ip matches blacklist

{"message":"Your IP address is not allowed"}

I think default 403 error page will be better, or supporting an option to change this behavior is ok

Environment

• apisix version (cmd: apisix version): 2.2
• OS (cmd: uname -a): ubuntu
• OpenResty / Nginx version (cmd: nginx -V or openresty -V): 1.19
• etcd version, if have (cmd: run curl http://127.0.0.1:9090/v1/server_info to get the info from server-info API): 3.4.13
• apisix-dashboard version, if have: