Build getting failed with Flutter version 2.10.2

[HanzalaS]

``

lib\main.dart:1
/C:/Users/user/Documents/flutter/.pub-cache/hosted/pub.dartlang.org/drawing_animation-1.0.1/lib/src/abstract_drawing_state.dart:68:31: Error: Method 'addPostFrameCallback' cannot be called on 'SchedulerBinding?' because it is potentially null.

• 'SchedulerBinding' is from 'package:flutter/src/scheduler/binding.dart' ('/C:/Users/user/Documents/flutter/packages/flutter/lib/src/scheduler/binding.dart').
  package:flutter/…/scheduler/binding.dart:1
  Try calling using ?. instead.
  SchedulerBinding.instance.addPostFrameCallback((_) {
  ^^^^^^^^^^^^^^^^^^^^
  /C:/Users/user/Documents/flutter/.pub-cache/hosted/pub.dartlang.org/drawing_animation-1.0.1/lib/src/drawing_state.dart:12:35: Error: Method 'addPostFrameCallback' cannot be called on 'SchedulerBinding?' because it is potentially null.

• 'SchedulerBinding' is from 'package:flutter/src/scheduler/binding.dart' ('/C:/Users/user/Documents/flutter/packages/flutter/lib/src/scheduler/binding.dart').
  package:flutter/…/scheduler/binding.dart:1
  Try calling using ?. instead.
  SchedulerBinding.instance.addPostFrameCallback((_) {

                              ^^^^^^^^^^^^^^^^^^^^
  

/C:/Users/user/Documents/flutter/.pub-cache/hosted/pub.dartlang.org/drawing_animation-1.0.1/lib/src/drawing_state_with_ticker.dart:14:35: Error: Method 'addPostFrameCallback' cannot be called on 'SchedulerBinding?' because it is potentially null.

• 'SchedulerBinding' is from 'package:flutter/src/scheduler/binding.dart' ('/C:/Users/user/Documents/flutter/packages/flutter/lib/src/scheduler/binding.dart').
  package:flutter/…/scheduler/binding.dart:1
  Try calling using ?. instead.
  SchedulerBinding.instance.addPostFrameCallback((_) {