show builder information before building

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

src/main.ts

@@ -75,6 +75,11 @@ actionsToolkit.run(
       await toolkit.buildx.printVersion();
     });
 
+    await core.group(`Builder info`, async () => {
+      const builder = await toolkit.builder.inspect(inputs.builder);
+      core.info(JSON.stringify(builder, null, 2));
+    });
+
     const args: string[] = await context.getArgs(inputs, toolkit);
     core.debug(`context.getArgs: ${JSON.stringify(args)}`);