Update go.mod dependencies
--------------------------

go.mod
go.sum
vendor/modules.txt
------------------
  o Update voltha-lib-go to v7.4.5
  o Update voltha-protos to v5.4.11

vendor/
-------
  o Invoke make mod-update to refresh dependencies in vendor/ source.

Change-Id: Icf196fd23ddeaf3c203f116610b4acfc518cd474
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 63e42bf..cbb51d5 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -153,7 +153,7 @@
 github.com/opencord/omci-lib-go/v2
 github.com/opencord/omci-lib-go/v2/generated
 github.com/opencord/omci-lib-go/v2/meframe
-# github.com/opencord/voltha-lib-go/v7 v7.4.5
+# github.com/opencord/voltha-lib-go/v7 v7.5.3
 ## explicit
 github.com/opencord/voltha-lib-go/v7/pkg/config
 github.com/opencord/voltha-lib-go/v7/pkg/db
@@ -168,7 +168,7 @@
 github.com/opencord/voltha-lib-go/v7/pkg/platform
 github.com/opencord/voltha-lib-go/v7/pkg/probe
 github.com/opencord/voltha-lib-go/v7/pkg/version
-# github.com/opencord/voltha-protos/v5 v5.4.10
+# github.com/opencord/voltha-protos/v5 v5.4.11
 ## explicit
 github.com/opencord/voltha-protos/v5/go/adapter_service
 github.com/opencord/voltha-protos/v5/go/common