Flutter tabs overflow accessibility issue

flutter_tabs.dart

import 'package:flutter/material.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        primarySwatch: Colors.blue,
        tabBarTheme: TabBarTheme(
          labelColor: Colors.black,
          labelStyle: TextStyle(fontSize: 75),
        ),
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatelessWidget {
  final String title;

  const MyHomePage({
    Key? key,
    required this.title,
  }) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(title),
      ),
      body: Column(
        children: [
          DefaultTabController(
            length: 3,
            child: TabBar(
              tabs: [
                Tab(
                  icon: Icon(Icons.directions_car),
                  text: 'Tab 1',
                ),
                Tab(
                  icon: Icon(Icons.directions_transit),
                  text: 'Tab 2',
                ),
                Tab(
                  icon: Icon(Icons.directions_bike),
                  text: 'Tab 2',
                ),
              ],
            ),
          ),
        ],
      ),
    );
  }
}