*: convert to proto v2 and get rid of gogoproto

*: remove and ban github.com/golang/protobuf/proto

Signed-off-by: Michael Hoffmann <mhoffm@posteo.de>

Makefile

@@ -396,6 +396,7 @@ github.com/prometheus/client_golang/prometheus.{NewCounter,NewCounterVec,NewCoun
 NewHistorgram,NewHistogramVec,NewSummary,NewSummaryVec}=github.com/prometheus/client_golang/prometheus/promauto.{NewCounter,\
 NewCounterVec,NewCounterVec,NewGauge,NewGaugeVec,NewGaugeFunc,NewHistorgram,NewHistogramVec,NewSummary,NewSummaryVec},\
 github.com/NYTimes/gziphandler.{GzipHandler}=github.com/klauspost/compress/gzhttp.{GzipHandler},\
+github.com/golang/protobuf/proto=google.golang.org/protobuf/proto,\
 sync/atomic=go.uber.org/atomic,github.com/cortexproject/cortex=github.com/thanos-io/thanos/internal/cortex,\
 io/ioutil.{Discard,NopCloser,ReadAll,ReadDir,ReadFile,TempDir,TempFile,Writefile}" $(shell go list ./... | grep -v "internal/cortex")
 	@$(FAILLINT) -paths "fmt.{Print,Println,Sprint}" -ignore-tests ./...

go.mod

@@ -244,7 +244,7 @@ require (
 	golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2 // indirect
 	gonum.org/v1/gonum v0.12.0 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
-	google.golang.org/protobuf v1.30.0 // indirect
+	google.golang.org/protobuf v1.30.0
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	howett.net/plist v0.0.0-20181124034731-591f970eefbb // indirect
 )