Bump prometheus/client_golang from v1.7.1 to v1.12.1 (#1090)

* Bump prometheus/client_golang from v1.7.1 to v1.12.1

* Fix integration test

* Fix generated code

Author: a-krause

go.mod

@@ -5,26 +5,22 @@ go 1.16
 require (
 	github.com/cenkalti/backoff/v4 v4.1.1
 	github.com/desertbit/timer v0.0.0-20180107155436-c41aec40b27f
-	github.com/golang/protobuf v1.4.3
+	github.com/golang/protobuf v1.5.2
 	github.com/grpc-ecosystem/go-grpc-middleware v1.2.2
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0
 	github.com/klauspost/compress v1.11.7 // indirect
 	github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f
 	github.com/mwitkow/grpc-proxy v0.0.0-20181017164139-0f1106ef9c76
-	github.com/prometheus/client_golang v1.7.1
-	github.com/prometheus/common v0.15.0 // indirect
-	github.com/prometheus/procfs v0.3.0 // indirect
+	github.com/prometheus/client_golang v1.12.1
 	github.com/rs/cors v1.7.0
 	github.com/sirupsen/logrus v1.7.0
 	github.com/spf13/pflag v1.0.5
 	github.com/stretchr/testify v1.7.0
 	golang.org/x/net v0.0.0-20211015210444-4f30a5c0130f
-	golang.org/x/sys v0.0.0-20211019181941-9d821ace8654 // indirect
 	golang.org/x/text v0.3.7 // indirect
-	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
 	google.golang.org/genproto v0.0.0-20210126160654-44e461bb6506 // indirect
 	google.golang.org/grpc v1.32.0
-	google.golang.org/protobuf v1.25.0
+	google.golang.org/protobuf v1.27.1
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
 	nhooyr.io/websocket v1.8.7
 )