update prometheus 0.16.
@@ -14,7 +14,7 @@ faucetconfrpc = "0.22.46"
httpx = "0.23.3"
netaddr = "0.8.0"
pika = "1.3.1"
-prometheus_client = "0.15.0"
+prometheus_client = "0.16.0"
pyyaml = "6.0"
schedule = "1.1.0"
transitions = "0.9.0"
