Bump Labkit version

This version bump refers to fac94cb42 in order to
support Go Continuous Profiling with versioning.

I.e. Workhorse will provide its build version to
the profiler and it'll be presented at the Stackdriver
Profiler UI.

CHANGELOG

@@ -2,6 +2,10 @@
 
 Formerly known as 'gitlab-git-http-server'.
 
+v 8.29.0
+
+- Bump Labkit version to support Profiler sample versioning
+
 v 8.28.0
 
 - Reject parameters that override upload fields

go.mod

@@ -21,7 +21,7 @@ require (
 	github.com/sirupsen/logrus v1.3.0
 	github.com/stretchr/testify v1.4.0
 	gitlab.com/gitlab-org/gitaly v1.74.0
-	gitlab.com/gitlab-org/labkit v0.0.0-20200227174525-4f8041c014c2
+	gitlab.com/gitlab-org/labkit v0.0.0-20200327153541-fac94cb428e6
 	golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f
 	golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa
 	golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5 // indirect

go.sum

@@ -267,6 +267,8 @@ gitlab.com/gitlab-org/labkit v0.0.0-20200219201213-4f4f5c1b0539 h1:I2xPr4WlOK3Gt
 gitlab.com/gitlab-org/labkit v0.0.0-20200219201213-4f4f5c1b0539/go.mod h1:WyFbg+j26WJmH44qGeINba3QlIVbLxepQ/+qMA2s2+U=
 gitlab.com/gitlab-org/labkit v0.0.0-20200227174525-4f8041c014c2 h1:CCfQxzBy7He5oakCE/3e5yJWFA4yHJqLnGQVje4HiJc=
 gitlab.com/gitlab-org/labkit v0.0.0-20200227174525-4f8041c014c2/go.mod h1:WyFbg+j26WJmH44qGeINba3QlIVbLxepQ/+qMA2s2+U=
+gitlab.com/gitlab-org/labkit v0.0.0-20200327153541-fac94cb428e6 h1:FZ/+I7jHVKUq3ev8SmD1fD743Kb7qYkjDcsaNg887vg=
+gitlab.com/gitlab-org/labkit v0.0.0-20200327153541-fac94cb428e6/go.mod h1:WyFbg+j26WJmH44qGeINba3QlIVbLxepQ/+qMA2s2+U=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
 go.opencensus.io v0.22.2 h1:75k/FF0Q2YM8QYo07VPddOLBslDt1MZOdEslOHvmzAs=

main.go

@@ -128,7 +128,7 @@ func main() {
 	}
 
 	go func() {
-		err := monitoring.Serve(monitoringOpts...)
+		err := monitoring.Start(monitoringOpts...)
 		if err != nil {
 			log.WithError(err).Error("Failed to start monitoring")
 		}