update demo for apisix:3.6.0

[sbancal]

Hi,

running this demo with apisix 3.6.0-debian fails:

http localhost:9080/ "apikey:example-key"
HTTP/1.1 404 Not Found
Connection: keep-alive
Content-Type: text/plain; charset=utf-8
Date: Tue, 07 Nov 2023 14:31:09 GMT
Server: APISIX/3.6.0
Transfer-Encoding: chunked

{
    "error_msg": "404 Route Not Found"
}

and works with apisix 3.5.0-debian:

http localhost:9080/ "apikey:example-key"
HTTP/1.1 200 OK
Connection: keep-alive
Content-Length: 13
Content-Type: text/plain; charset=utf-8
Date: Tue, 07 Nov 2023 14:32:26 GMT
Server: APISIX/3.5.0

hello backend

Is there something to fix to work on latest release of APISIX ?

BTW, with 3.6.0 I get plenty of these errors:

2023/11/07 14:39:55 [error] 61#61: *7701 [lua] config_yaml.lua:210: failed to check item data of [routes] err:additional properties forbidden, found method ,val: {"upstream_id":1,"method":"GET","name":"example-route","priority":0,"status":1,"plugins":{"key-auth":{}},"uri":"/"}, context: ngx.timer