[VOL-3287] Updating voltha-lib-go dependecy to fix GPON constant issue

Change-Id: I6b7a054dc2e1acd610a8940f05fcecbaaf680346
diff --git a/vendor/modules.txt b/vendor/modules.txt
index af2b034..d08179a 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -67,7 +67,7 @@
 github.com/mitchellh/go-homedir
 # github.com/mitchellh/mapstructure v1.1.2
 github.com/mitchellh/mapstructure
-# github.com/opencord/voltha-lib-go/v3 v3.1.20
+# github.com/opencord/voltha-lib-go/v3 v3.1.22
 github.com/opencord/voltha-lib-go/v3/pkg/adapters
 github.com/opencord/voltha-lib-go/v3/pkg/adapters/adapterif
 github.com/opencord/voltha-lib-go/v3/pkg/adapters/common