add standard "develop" branch, too

Author: ericherman

url-check-config.json

@@ -4,6 +4,10 @@
             "url": "https://github.com/publiccodenet/standard.git",
             "branch": "main"
         },
+        "standard.publiccode.net-develop": {
+            "url": "https://github.com/publiccodenet/standard.git",
+            "branch": "develop"
+        },
         "bumperscripter": {
             "url": "https://github.com/publiccodenet/bumperscripter.git",
             "branch": "main"