updating voltha-lib-go for VOL-4994

Change-Id: Ie9db111b41ce3182b351c511a7e714a2c50f593f
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 45b15c4..d4cafe5 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -137,7 +137,7 @@
 github.com/klauspost/compress/huff0
 github.com/klauspost/compress/zstd
 github.com/klauspost/compress/zstd/internal/xxhash
-# github.com/opencord/voltha-lib-go/v7 v7.4.2
+# github.com/opencord/voltha-lib-go/v7 v7.4.3
 ## explicit
 github.com/opencord/voltha-lib-go/v7/pkg/config
 github.com/opencord/voltha-lib-go/v7/pkg/db