Remove 1.14 kubernetes version for EKS

Set default version to 1.19

app/assets/javascripts/create_cluster/eks_cluster/constants.js

 export const DEFAULT_REGION = 'us-east-2';
 
 export const KUBERNETES_VERSIONS = [
-  { name: '1.14', value: '1.14' },
   { name: '1.15', value: '1.15' },
-  { name: '1.16', value: '1.16', default: true },
+  { name: '1.16', value: '1.16' },
   { name: '1.17', value: '1.17' },
+  { name: '1.18', value: '1.18' },
+  { name: '1.19', value: '1.19', default: true },
 ];

changelogs/unreleased/321283-update-kubernetes-version-supported.yml

+---
+title: Update k8s version for EKS cluster
+merge_request: 54389
+author: Vincent Firmin @winkies
+type: fixed

doc/user/project/clusters/index.md

@@ -58,7 +58,6 @@ Kubernetes version to any supported version at any time:
 - 1.17 (support ends on September 22, 2021)
 - 1.16 (support ends on July 22, 2021)
 - 1.15 (support ends on May 22, 2021)
-- 1.14 (deprecated, support ends on December 22, 2020)
 
 Some GitLab features may support versions outside the range provided here.
 

vendor/aws/cloudformation/eks_cluster.yaml

@@ -7,12 +7,13 @@ Parameters:
   KubernetesVersion:
     Description: The Kubernetes version to install
     Type: String
-    Default: 1.16
+    Default: 1.19
     AllowedValues:
-      - 1.14
       - 1.15
       - 1.16
       - 1.17
+      - 1.18
+      - 1.19
 
   KeyName:
     Description: The EC2 Key Pair to allow SSH access to the node instances
@@ -20,7 +21,7 @@ Parameters:
 
   NodeImageIdSSMParam:
     Type: "AWS::SSM::Parameter::Value<AWS::EC2::Image::Id>"
-    Default: /aws/service/eks/optimized-ami/1.14/amazon-linux-2/recommended/image_id
+    Default: /aws/service/eks/optimized-ami/1.15/amazon-linux-2/recommended/image_id
     Description: AWS Systems Manager Parameter Store parameter of the AMI ID for the worker node instances.
 
   NodeInstanceType: