[VOL-5429] - update voltha-lib-go version to 7.6.6

Change-Id: Id6ebb05bba5c52a94161a08545e80106746e9cca
Signed-off-by: Sridhar Ravindra <sridhar.ravindra@radisys.com>
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 090f947..5b39415 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -234,7 +234,7 @@
 github.com/modern-go/concurrent
 # github.com/modern-go/reflect2 v1.0.1
 github.com/modern-go/reflect2
-# github.com/opencord/voltha-lib-go/v7 v7.6.5
+# github.com/opencord/voltha-lib-go/v7 v7.6.6
 ## explicit
 github.com/opencord/voltha-lib-go/v7/pkg/adapters/common
 github.com/opencord/voltha-lib-go/v7/pkg/config