VOL-4226: Bump to version 3.5.1 in preparation for voltha-2.8 release.
Also use voltha-lib-go version 5.0.5 to be in-sync with all other modules.

Change-Id: Ie6db02ea8266e2b55304176708e9d5480bcae06d
diff --git a/go.sum b/go.sum
index 557341b..516ef82 100644
--- a/go.sum
+++ b/go.sum
@@ -141,8 +141,8 @@
 github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
 github.com/onsi/gomega v1.4.2 h1:3mYCb7aPxS/RU7TI1y4rkEn1oKmPRjNJLNEXgw7MH2I=
 github.com/onsi/gomega v1.4.2/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
-github.com/opencord/voltha-lib-go/v5 v5.0.2 h1:nLs42QM75BhKt4eXLdHhQwRPLrI2V2BjWJJlzGMUixg=
-github.com/opencord/voltha-lib-go/v5 v5.0.2/go.mod h1:i1fwPMicFccG38L200+IQAlfHSbszWg//jF1pDQxTPQ=
+github.com/opencord/voltha-lib-go/v5 v5.0.5 h1:S3m984EaHNGJY68Hrv9LOf0rwd92UiVLFBBbTaL+fNg=
+github.com/opencord/voltha-lib-go/v5 v5.0.5/go.mod h1:i1fwPMicFccG38L200+IQAlfHSbszWg//jF1pDQxTPQ=
 github.com/opencord/voltha-protos/v4 v4.2.0 h1:QJZqHPRKa1E1xh40F3UA4xSjBI+6EmW7OfIcJqPNc4A=
 github.com/opencord/voltha-protos/v4 v4.2.0/go.mod h1:wNzWqmTwe7+DbYbpmOX6eMlglREtMkNxIDv3lyI2bco=
 github.com/opentracing/opentracing-go v1.1.0 h1:pWlfV3Bxv7k65HYwkikxat0+s3pV4bsqf19k25Ur8rU=