chore(lint): upgrade golangci-lint to v1.47.2

- Fix Slowloris attacks on HTTP servers
- Force set default of 5 minutes for pprof read timeout
- Change `ShutdownTimeout` to time.Duration since it cannot be set to 0

internal/httpserver/helpers_test.go

@@ -2,13 +2,10 @@ package httpserver
 
 import (
 	"regexp"
-	"time"
 
 	gomock "github.com/golang/mock/gomock"
 )
 
-func durationPtr(d time.Duration) *time.Duration { return &d }
-
 var _ Logger = (*testLogger)(nil)
 
 type testLogger struct{}