builder: support features in inspect command

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

src/types/builder.ts

@@ -32,6 +32,7 @@ export interface Node {
 export interface NodeInfo extends Node {
   status?: string;
   buildkit?: string;
+  features?: Record<string, boolean>;
   labels?: Record<string, string>;
   gcPolicy?: Array<GCPolicy>;
 }