fix(deps): update module github.com/prometheus/client_golang to v1.13.0

go.mod

@@ -13,7 +13,7 @@ require (
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0
 	github.com/mattn/go-sqlite3 v1.14.7
 	github.com/oschwald/maxminddb-golang v1.8.0
-	github.com/prometheus/client_golang v1.11.0
+	github.com/prometheus/client_golang v1.13.0
 	github.com/syndtr/goleveldb v1.0.0
 	golang.org/x/net v0.0.0-20210420072503-d25e30425868 // indirect
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c