Build error in native_pdf_renderer plugin on Swift 4.2

[stenionobresem]

Package name
native_pdf_renderer v1.3.0+1

Describe the bug

=== BUILD TARGET native_pdf_renderer OF PROJECT Pods WITH CONFIGURATION Release ===
/Users/escolarmanager/work/flutter_plugins_pdf/packages/native_pdf_renderer/ios/Classes/document/Page.swift:59:30: error: 'pngData()' has been renamed to
'UIImagePNGRepresentation(_:)'
data = image.pngData() as Data?
^~~~~~~
UIImagePNGRepresentation
UIKit.UIImage:58:17: note: 'pngData()' was introduced in Swift 4.2
public func pngData() -> Data?

To Reproduce
Steps to reproduce the behavior:

1. Create a new flutter project;
2. Adds native_pdf_renderer v1.3.0+1 plugin to pubspec.yaml
3. Run flutter build ios command
4. See error

Expected behavior
Successful build

Smartphone (please complete the following information):

• MAC OS Mojave 10.14.5
• XCODE Version 10.1 (10B61)
• Swift 4.2

Additional context
I was replaced the 59 line of Page.swift file and the build works!!!

original
data = image.pngData() as Data?

suggestion
data = UIImagePNGRepresentation(image)

Could you please publish the correction in pub.dev?

Thanks in advance

[SergeShkurko]

@stenionobresem see #3