Adding release v20210501 to Changelog (#659)

CHANGELOG.md

@@ -1,5 +1,38 @@
 # Changelog
 
+## AMI Release v20210501
+
+* amazon-eks-gpu-node-1.19-v20210501
+* amazon-eks-gpu-node-1.18-v20210501
+* amazon-eks-gpu-node-1.17-v20210501
+* amazon-eks-gpu-node-1.16-v20210501
+* amazon-eks-gpu-node-1.15-v20210501
+* amazon-eks-arm64-node-1.19-v20210501
+* amazon-eks-arm64-node-1.18-v20210501
+* amazon-eks-arm64-node-1.17-v20210501
+* amazon-eks-arm64-node-1.16-v20210501
+* amazon-eks-arm64-node-1.15-v20210501
+* amazon-eks-node-1.19-v20210501
+* amazon-eks-node-1.18-v20210501
+* amazon-eks-node-1.17-v20210501
+* amazon-eks-node-1.16-v20210501
+* amazon-eks-node-1.15-v20210501
+
+Binaries used to build these AMIs are published:
+
+s3://amazon-eks/1.19.6/2021-01-05/
+s3://amazon-eks/1.18.9/2020-11-02/
+s3://amazon-eks/1.17.12/2020-11-02/
+s3://amazon-eks/1.16.15/2020-11-02/
+s3://amazon-eks/1.15.12/2020-11-02/
+
+Notable changes:
+
+* Patches for Linux kernel 4.14, used by AMIs with Kubernetes v1.18 and below (CVE ALAS2-2021-1627)
+* Patches for Linux kernel 5.4, used by AMIs with Kubernetes v1.19 to fix a race condition with Conntrack.
+
+
+
 ### AMI Release v20210414
 
 * amazon-eks-gpu-node-1.19-v20210414