fixed .env file with latest version of k8s

Signed-off-by: vivekr-splunk <94569031+vivekr-splunk@users.noreply.github.com>

.env

@@ -2,8 +2,8 @@ OPERATOR_SDK_VERSION=v1.27.0
 REVIEWERS=pdhanoya-splunk,smohan-splunk,sgontla,gaurav-splunk,jryb,vivekr-splunk,kumarajeet
 GO_VERSION=1.19.2
 AWSCLI_URL=https://awscli.amazonaws.com/awscli-exe-linux-x86_64-2.8.6.zip
-KUBECTL_VERSION=v1.25.3
+KUBECTL_VERSION=v1.28.0
 AZ_CLI_VERSION=2.30.0
 EKSCTL_VERSION=v0.115.0
 EKS_CLUSTER_K8_VERSION=1.26
-SPLUNK_ENTERPRISE_RELEASE_IMAGE=docker.io/splunk/splunk:9.0.3-a2
+SPLUNK_ENTERPRISE_RELEASE_IMAGE=docker.io/splunk/splunk:9.0.5