pin helm back to helm 3

Author: octonautcal

windows.ltsc2025/Dockerfile

@@ -13,7 +13,7 @@ ARG Azure_Powershell_Version=15.6.1
 ARG Eks_Cli_Version=0.226.0
 ARG Git_Version=2.54.0
 ARG Google_Cloud_Cli_Version=569.0.0
-ARG Helm_Version=4.2.0
+ARG Helm_Version=3.21.0
 ARG Java_Jdk_Version=25.0.0.1
 ARG Kubectl_Version=1.36.1
 ARG Kubelogin_Version=0.2.17

windows.ltsc2025/README.md

@@ -33,7 +33,7 @@
 - Eksctl 0.226.0
 - Google Cloud CLI 569.0.0
 - Google Cloud GKE auth plugin 569.0.0-0
-- Helm 4.2.0
+- Helm 3.21.0
 - Java Jdk 25.0.0.1
 - Kubectl 1.36.1
 - Kubelogin (azure-kubelogin) 0.2.17

windows.ltsc2025/spec/windows.ltsc2025.tests.ps1

@@ -66,7 +66,7 @@ Describe  'installed dependencies' {
     }
 
     It 'has helm installed' {
-        helm version | Should -Match '4.2.0'
+        helm version | Should -Match '3.21.0'
         $LASTEXITCODE | Should -be 0
     }