updating voltha-lib-go for VOL-4994

Change-Id: Ie9db111b41ce3182b351c511a7e714a2c50f593f
diff --git a/go.sum b/go.sum
index 23f5ea5..1b5bf35 100644
--- a/go.sum
+++ b/go.sum
@@ -198,9 +198,8 @@
 github.com/onsi/gomega v1.10.3/go.mod h1:V9xEwhxec5O8UDM77eCW8vLymOMltsqPVYWrpDsH8xc=
 github.com/onsi/gomega v1.14.0 h1:ep6kpPVwmr/nTbklSx2nrLNSIO62DoYAhnPNIMhK8gI=
 github.com/onsi/gomega v1.14.0/go.mod h1:cIuvLEne0aoVhAgh/O6ac0Op8WWw9H6eYCriF+tEHG0=
-github.com/opencord/voltha-lib-go/v7 v7.4.2 h1:0VnlWxVFZXOF52515upTwIze3KRoFmUcJyKQAo1aKOI=
-github.com/opencord/voltha-lib-go/v7 v7.4.2/go.mod h1:3XnWQBHALGZTm5n3j401zKGG9aL2UqSU3/owGwNmcxM=
-github.com/opencord/voltha-protos/v5 v5.3.8/go.mod h1:ZGcyW79kQKIo7AySo1LRu613E6uiozixrCF0yNB/4x8=
+github.com/opencord/voltha-lib-go/v7 v7.4.3 h1:+NkG7wciQ2AdpJkC1zvCym4NHUaV9ZR+vvcyawdRpo0=
+github.com/opencord/voltha-lib-go/v7 v7.4.3/go.mod h1:bP+G0akrcHwZY0ISiWS0anuJwtUpXTjkPpoku6PIVX0=
 github.com/opencord/voltha-protos/v5 v5.4.6 h1:NNMJA1eyu2sbUyOaeqwIVl+n2DjoUs4jK8y/GwIKYLE=
 github.com/opencord/voltha-protos/v5 v5.4.6/go.mod h1:ZGcyW79kQKIo7AySo1LRu613E6uiozixrCF0yNB/4x8=
 github.com/opentracing/opentracing-go v1.1.0/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFStlNbqXla1AfSYxPUl2o=