Adding changelog for v20220123 AMI release (#851)

CHANGELOG.md

@@ -1,4 +1,36 @@
 # Changelog
+### AMI Release v20220123
+ - amazon-eks-node-1.18-v20220123
+ - amazon-eks-arm64-node-1.18-v20220123
+ - amazon-eks-gpu-node-1.18-v20220123
+ - amazon-eks-node-1.19-v20220123
+ - amazon-eks-arm64-node-1.19-v20220123
+ - amazon-eks-gpu-node-1.19-v20220123
+ - amazon-eks-node-1.20-v20220123
+ - amazon-eks-arm64-node-1.20-v20220123
+ - amazon-eks-gpu-node-1.20-v20220123
+ - amazon-eks-node-1.21-v20220123
+ - amazon-eks-arm64-node-1.21-v20220123
+ - amazon-eks-gpu-node-1.21-v20220123
+
+Binaries used to build these AMIs are published:
+* s3://amazon-eks/1.21.5/2022-01-21/
+* s3://amazon-eks/1.20.11/2021-11-10/
+* s3://amazon-eks/1.19.15/2021-11-10/
+* s3://amazon-eks/1.18.20/2020-09-02/
+
+AMI details:
+* kernel: 5.4.172-90.336.amzn2 (1.19 and above), 4.14.256-197.484.amzn2 (1.18 and below)
+* dockerd: 20.10.7-5.amzn2
+* containerd: 1.4.6-7.amzn2
+* runc: 1.0.0-2.amzn2
+* cuda: 470.57.02
+* nvidia-container-runtime-hook: 1.4.0-1.amzn2
+* SSM agent: 3.0.1124.0
+
+Notable changes:
+* Upgrade kernel version for Kubernetes 1.19 and above to 5.4.172-90.336.amzn2.x86_64 for CVE-2022-0185
+* Bug fix in kubelet for 1.21 AMIs to handle compacted IPv6 addresses returned by EC2 API. New Kubelet version: `v1.21.5-eks-9017834`
 
 ### AMI Release v20220112
 * amazon-eks-gpu-node-1.21-v20220112