⬆️ Update OSS attributions

ATTRIBUTIONS.md

@@ -2,10 +2,18 @@
 
 ## yaml
 YAML support for the Go language.
+Copyright (c) 2006 Kirill Simonov
 * License: [Apache License 2.0](https://github.com/go-yaml/yaml/blob/v2/LICENSE)
 * Project: [go-yaml/yaml](https://github.com/go-yaml/yaml)
 
 ## api
 Soon-to-be the canonical location of the Kubernetes API definition.
+Copyright (c) 2014 The Kubernetes Authors.
 * License: [Apache License 2.0](https://github.com/kubernetes/api/blob/master/LICENSE)
-* Project: [kubernetes/api](https://github.com/kubernetes/api)
+* Project: [kubernetes/api](https://github.com/kubernetes/api)
+
+## logrus
+Structured, pluggable logging for Go.
+Copyright (c) 2014 Simon Eskildsen
+* License: [MIT License](https://github.com/sirupsen/logrus/blob/master/LICENSE)
+* project: [sirupsen/logrus](https://github.com/sirupsen/logrus)