Remove the restriction of the webhooks method

managetests/frontend/__init__.py

@@ -53,7 +53,7 @@ def create_app(manager):
 
         return flask.send_file(str(path), mimetype="text/plain")
 
-    @app.route("/+hook/<token>", methods=["POST"])
+    @app.route("/+hook/<token>")
     def hook(token):
         if token != manager.config["hooks-token"]:
             return "UNAUTHORIZED", 401