Use object instead of Any for labels() parameters

Signed-off-by: Grégoire Deveaux <gregoire.deveaux@gitguardian.com>

Author: gregoiredx

prometheus_client/metrics.py

@@ -135,7 +135,7 @@ def __init__(self: T,
             if registry:
                 registry.register(self)
 
-    def labels(self: T, *labelvalues: Any, **labelkwargs: Any) -> T:
+    def labels(self: T, *labelvalues: object, **labelkwargs: object) -> T:
         """Return the child for the given labelset.
 
         All metrics can have labels, allowing grouping of related time series.