chore: Linter update

[nivisi]

ColoredBox:

// Instead of:
Container(
  color: Colors.yellow,
  child: child,
)

// Use:
ColoredBox(
  color: Colors.yellow,
  child: child,
)

DecoratedBox:

// Instead of:
Container(
  decoration: BoxDecoration(...),
  child: child,
)

// Use:
DecoratedBox(
  decoration: BoxDecoration(...),
  child: child,
)