Merge pull request linode#307 from g1bl3t/lke-changelog-1.11.0

Add changelog for LKE 1.11.0

Author: bbiggerr

src/content/changelog/lke-1-11-0.md

@@ -0,0 +1,18 @@
+---
+title: Linode Kubernetes Engine v1.11.0
+date: 2020-11-23T05:00:00.000Z
+version: 1.11.0
+changelog:
+  - Linode Kubernetes Engine
+---
+
+### Added
+
+* Update CCM to version 0.3.8 to include support for NodeBalancer Proxy Protocol
+* Update CSI to version 0.1.7 to include support for Linode Block Storage Volume expansion.
+* Upgrade cluster control plane components to latest available patch version: v1.17.14 and 1.18.12
+
+### Fixed
+
+* Address issue that could allow etcd to restore an incorrect backup.
+