Add changelog for release v2.3.0

Author: pohly

CHANGELOG/CHANGELOG-2.3.md

@@ -0,0 +1,42 @@
+# Release notes for v2.3.0
+
+[Documentation](https://kubernetes-csi.github.io/docs/)
+
+# Changelog since v2.2.0
+
+## Changes by Kind
+
+### Uncategorized
+ - Updated runtime (Go 1.16) and dependencies ([#107](https://github.com/kubernetes-csi/livenessprobe/pull/107), [@pohly](https://github.com/pohly))
+
+## Dependencies
+
+### Added
+_Nothing has changed._
+
+### Changed
+- github.com/cncf/udpa/go: [efcf912 → 5459f2c](https://github.com/cncf/udpa/go/compare/efcf912...5459f2c)
+- github.com/container-storage-interface/spec: [v1.3.0 → v1.4.0](https://github.com/container-storage-interface/spec/compare/v1.3.0...v1.4.0)
+- github.com/envoyproxy/go-control-plane: [v0.9.7 → fd9021f](https://github.com/envoyproxy/go-control-plane/compare/v0.9.7...fd9021f)
+- github.com/go-logr/logr: [v0.3.0 → v0.4.0](https://github.com/go-logr/logr/compare/v0.3.0...v0.4.0)
+- github.com/golang/protobuf: [v1.4.3 → v1.5.1](https://github.com/golang/protobuf/compare/v1.4.3...v1.5.1)
+- github.com/google/go-cmp: [v0.5.2 → v0.5.5](https://github.com/google/go-cmp/compare/v0.5.2...v0.5.5)
+- github.com/kubernetes-csi/csi-lib-utils: [v0.9.0 → v0.9.1](https://github.com/kubernetes-csi/csi-lib-utils/compare/v0.9.0...v0.9.1)
+- github.com/prometheus/client_golang: [v1.8.0 → v1.9.0](https://github.com/prometheus/client_golang/compare/v1.8.0...v1.9.0)
+- github.com/prometheus/common: [v0.15.0 → v0.19.0](https://github.com/prometheus/common/compare/v0.15.0...v0.19.0)
+- github.com/prometheus/procfs: [v0.2.0 → v0.6.0](https://github.com/prometheus/procfs/compare/v0.2.0...v0.6.0)
+- golang.org/x/net: 986b41b → d523dce
+- golang.org/x/sync: cd5d95a → 09787c9
+- golang.org/x/sys: f9fddec → c4fcb01
+- golang.org/x/text: v0.3.4 → v0.3.5
+- google.golang.org/genproto: 8c77b98 → 75c7a85
+- google.golang.org/grpc: v1.34.0 → v1.36.0
+- google.golang.org/protobuf: v1.25.0 → v1.26.0
+- k8s.io/api: v0.20.0 → v0.20.4
+- k8s.io/apimachinery: v0.20.0 → v0.20.4
+- k8s.io/client-go: v0.20.0 → v0.20.4
+- k8s.io/component-base: v0.20.0 → v0.20.4
+- k8s.io/klog/v2: v2.4.0 → v2.8.0
+
+### Removed
+_Nothing has changed._