R2.8: Use omci-lib-go 1.3.3 version with fixes for Dot1Ag classes

Signed-off-by: mpagenko <michael.pagenkopf@adtran.com>
Change-Id: I38d09c63326994d04863fa59808fccbc2e1f2522
diff --git a/go.mod b/go.mod
index c19105f..5a001ff 100644
--- a/go.mod
+++ b/go.mod
@@ -9,7 +9,7 @@
 	github.com/golang/protobuf v1.3.2
 	github.com/google/gopacket v1.1.17
 	github.com/looplab/fsm v0.2.0
-	github.com/opencord/omci-lib-go v1.3.2
+	github.com/opencord/omci-lib-go v1.3.3
 	github.com/opencord/voltha-lib-go/v5 v5.0.5
 	github.com/opencord/voltha-protos/v4 v4.2.0
 	github.com/stretchr/testify v1.6.1