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/vendor/modules.txt b/vendor/modules.txt
index 0e3242e..9fcc410 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -61,7 +61,7 @@
 # github.com/looplab/fsm v0.2.0
 ## explicit
 github.com/looplab/fsm
-# github.com/opencord/omci-lib-go v1.3.2
+# github.com/opencord/omci-lib-go v1.3.3
 ## explicit
 github.com/opencord/omci-lib-go
 github.com/opencord/omci-lib-go/generated