Fix tools stage dist files cleaning

.jenkins/Jenkinsfile

@@ -1,4 +1,5 @@
 def HELM_DOWNLOAD_URL = "https://get.helm.sh/helm-v3.7.2-linux-amd64.tar.gz"
+def WS_DIST = ".dist"
 def WS_BIN = ".bin"
 def WS_SCM = ".scm"
 
@@ -29,20 +30,20 @@ pipeline {
     }
 
     stages {
-        stage("Prepare Tools") {
+        stage("Download Helm") {
             when {
                 not {
                     expression { return fileExists("${WS_BIN}/linux-amd64/helm") }
                 }
             }
             steps {
-                dir("${WS_BIN}") {
+                dir("${WS_DIST}") {
                     sh """
                         curl -fsSL -O "${HELM_DOWNLOAD_URL}";
-                        tar xfz *;
-                        rm -f *;
-                        ls -lah ./linux-amd64/helm;
+                        tar xfz -C "${env.WORKSPACE}/${WS_BIN}" *;
+                        ls -lah "${env.WORKSPACE}/${WS_BIN}/linux-amd64/helm";
                     """
+                    deleteDir()
                 }
             }
         }