VOL-4217: Update to latest version of protos and voltha-lib-go for
voltha-2.9 release. Tested with BAL3.10

Change-Id: Ibdc5978a1f2df713965a27ce26d0e22c1ffa366a
diff --git a/vendor/go.uber.org/zap/sink.go b/vendor/go.uber.org/zap/sink.go
index ff0becf..df46fa8 100644
--- a/vendor/go.uber.org/zap/sink.go
+++ b/vendor/go.uber.org/zap/sink.go
@@ -136,7 +136,7 @@
 	case "stderr":
 		return nopCloserSink{os.Stderr}, nil
 	}
-	return os.OpenFile(u.Path, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0644)
+	return os.OpenFile(u.Path, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0666)
 }
 
 func normalizeScheme(s string) (string, error) {