fix(config): change the default schema URL for petstore

config.yml

@@ -3,13 +3,13 @@ cpus: 1
 monitoring:
   port: 5555
 ssl:
-  cert: "./certs/server.cert"
-  key: "./certs/server.key"
-  root_cert: "./certs/root.cert"
+  cert: './certs/server.cert'
+  key: './certs/server.key'
+  root_cert: './certs/root.cert'
 protocols:
   http:
     enable: true
-    mocks_dir: "./mocks"
+    mocks_dir: './mocks'
     port: 8080
   https:
     enable: false
@@ -19,35 +19,35 @@ protocols:
     port: 8081
   ws:
     enable: false
-    mocks_dir: "./ws_mocks"
+    mocks_dir: './ws_mocks'
     port: 8082
   grpc:
     enable: false
     host: 0.0.0.0
     port: 4312
-    mocks_dir: "./grpc/mocks"
-    protos_dir: "./grpc/protos"
+    mocks_dir: './grpc/mocks'
+    protos_dir: './grpc/protos'
     grpc_tls: false
   thrift:
     enable: false
-    mocks_dir: "./thrift/mocks"
+    mocks_dir: './thrift/mocks'
     services:
       - port: 9999
-        service: "/opt/gen-nodejs/Calculator"
+        service: '/opt/gen-nodejs/Calculator'
         handlers:
           - add
           - substract
           - ping
   soap:
     enable: false
-    mocks_dir: "./soap/mocks"
+    mocks_dir: './soap/mocks'
     port: 8100
     services:
       - wsdl: ./soap/countryservice.wsdl
         path: /countryinfo
 backup:
   enable: false
-  cron: "0 * * * *" # Hourly Backup
+  cron: '0 * * * *' # Hourly Backup
 cache:
   enable: false
   ttl_seconds: 300
@@ -61,7 +61,7 @@ validation:
   enable: true
   schemas:
     - type: OpenApi
-      url: https://raw.githubusercontent.com/OAI/OpenAPI-Specification/main/examples/v3.0/petstore.json
+      url: https://raw.githubusercontent.com/OAI/learn.openapis.org/refs/heads/main/examples/v3.0/petstore.json
 # ext_helpers: "./custom_handlebar.json"
 # ext_data_source:
 #   pg: