add group_path param to config

litestar/contrib/prometheus/config.py

@@ -50,6 +50,9 @@ class PrometheusConfig:
     middleware_class: type[PrometheusMiddleware] = field(default=PrometheusMiddleware)
     """The middleware class to use.
     """
+    group_path: bool = field(default=False)
+    """Whether to group paths in the metrics ot avoid cardinality explosion.
+    """
 
     @property
     def middleware(self) -> DefineMiddleware: