build(deps): bump github.com/prometheus/client_golang from 0.9.0 to 1.11.1 in /benchmark

benchmark/go.mod

@@ -2,34 +2,22 @@ module github.com/oasislabs/runtime-ethereum/benchmark
 
 require (
 	github.com/BurntSushi/toml v0.3.1 // indirect
-	github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973 // indirect
 	github.com/btcsuite/btcd v0.0.0-20181013004428-67e573d211ac // indirect
 	github.com/deckarep/golang-set v1.7.1 // indirect
 	github.com/ethereum/go-ethereum v1.8.17
-	github.com/go-kit/kit v0.7.0
-	github.com/go-logfmt/logfmt v0.3.0 // indirect
-	github.com/go-stack/stack v1.8.0 // indirect
-	github.com/gogo/protobuf v1.1.1 // indirect
+	github.com/go-kit/kit v0.9.0
 	github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db // indirect
 	github.com/inconshreveable/mousetrap v1.0.0 // indirect
-	github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
 	github.com/mitchellh/mapstructure v1.1.2 // indirect
 	github.com/onsi/gomega v1.4.2 // indirect
-	github.com/pkg/errors v0.8.0
-	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/prometheus/client_golang v0.9.0
-	github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910 // indirect
-	github.com/prometheus/common v0.0.0-20181020173914-7e9e6cabbd39 // indirect
-	github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d // indirect
+	github.com/pkg/errors v0.9.1
+	github.com/prometheus/client_golang v1.11.1
 	github.com/rs/cors v1.6.0 // indirect
 	github.com/spf13/cobra v0.0.3
 	github.com/spf13/pflag v1.0.3 // indirect
 	github.com/spf13/viper v1.2.1
-	github.com/stretchr/testify v1.2.2 // indirect
 	github.com/syndtr/goleveldb v0.0.0-20181012014443-6b91fda63f2e // indirect
-	golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519
-	golang.org/x/sys v0.0.0-20181026064943-731415f00dce // indirect
+	golang.org/x/net v0.0.0-20200625001655-4c5254603344
 	gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce // indirect
 )