Fixing URL for the EU Schema

eu.dgc.html

@@ -1232,7 +1232,7 @@ MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnXQalrgztecTpc+INjRQ8s73FSE1kU5QSlwB
                 var ajv = new ajv7.default({strict: "log", validateFormats: false});
 
                 let client = new XMLHttpRequest();
-                client.open('GET', 'https://raw.githubusercontent.com/ehn-digital-green-development/ehn-dgc-schema/main/DGC.combined-schema.json', false);
+                client.open('GET', 'https://raw.githubusercontent.com/ehn-digital-green-development/ehn-dgc-schema/main/DCC.combined-schema.json', false);
                 client.setRequestHeader("Accept", "application/vnd.github.v3+json");
                 client.send();