chore: move to Traefik organization.

Co-authored-by: Romain <rtribotte@users.noreply.github.com>

pkg/tracing/haystack/haystack.go

@@ -6,8 +6,8 @@ import (
 	"time"
 
 	"github.com/ExpediaDotCom/haystack-client-go"
-	"github.com/containous/traefik/v2/pkg/log"
 	"github.com/opentracing/opentracing-go"
+	"github.com/traefik/traefik/v2/pkg/log"
 )
 
 // Name sets the name of this tracer.

pkg/tracing/haystack/logger.go

@@ -1,7 +1,7 @@
 package haystack
 
 import (
-	"github.com/containous/traefik/v2/pkg/log"
+	"github.com/traefik/traefik/v2/pkg/log"
 )
 
 type haystackLogger struct {