fix: helm version check failed

Signed-off-by: William Wang <williamw0825@gmail.com>

builtin/core/roles/kubernetes/pre-kubernetes/tasks/install_binaries.yaml

@@ -1,7 +1,7 @@
 ---
 - name: Binary | Verify if Helm is already installed
   ignore_errors: true
-  command: helm version --template "{{ .Version }}"
+  command: helm version --template "{{ "{{" }} .Version {{ "}}" }}"
   register: helm_install_version
 
 - name: Binary | Install Helm if not present or version mismatch

pkg/converter/tmpl/template_test.go

@@ -294,6 +294,14 @@ func TestParseValue(t *testing.T) {
 			},
 			excepted: []byte("bar"),
 		},
+		{
+			name:  "{{ & }} character translation",
+			input: "helm version --template \"{{ \"{{\" }} .Version {{ \"}}\" }}\"",
+			variable: map[string]any{
+				"foo": "bar",
+			},
+			excepted: []byte("helm version --template \"{{ .Version }}\""),
+		},
 	}
 
 	for _, tc := range testcases {