Return an error if document is not a dictionary

pkg/utils/yaml_utils/yaml_utils.go

@@ -1,6 +1,7 @@
 package yaml_utils
 
 import (
+	"errors"
 	"fmt"
 
 	"gopkg.in/yaml.v3"
@@ -24,6 +25,10 @@ func UpdateYamlValue(yamlBytes []byte, path []string, value string) ([]byte, err
 
 	body := node.Content[0]
 
+	if body.Kind != yaml.MappingNode {
+		return yamlBytes, errors.New("yaml document is not a dictionary")
+	}
+
 	updateYamlNode(body, path, value)
 
 	// Convert the updated YAML node back to YAML bytes.