Merge pull request #190 from AndrewSirenko/change

Add changelog v0.21.0

Author: k8s-ci-robot

CHANGELOG/CHANGELOG-0.21.md

@@ -0,0 +1,24 @@
+# Release notes for v0.21.0
+
+# Changelog since v0.20.0
+
+## Changes by Kind
+
+### Feature
+
+- metrics: Let CSIMetricsManager serve additional registries through WithAdditionalRegistry. ([#189](https://github.com/kubernetes-csi/csi-lib-utils/pull/189), [@andrewsirenko](https://github.com/andrewsirenko))
+
+### Bug
+
+- protosanitizer: fix panic if enum value is not found ([#188](https://github.com/kubernetes-csi/csi-lib-utils/pull/188), [@huww98](https://github.com/huww98))
+
+## Dependencies
+
+### Added
+_Nothing has changed._
+
+### Changed
+_Nothing has changed._
+
+### Removed
+_Nothing has changed._