Update version of http package in pubspec.yaml

[ShyamKrishna122]

Update version of http package to 0.13.0 in pubspec.yaml

[ItzNotABug]

You can use my fork until this gets updated. Use below in your pubspec.yaml:

flutter_link_preview:
    git: 'https://github.com/ItzNotABug/flutter_link_preview'

[UmairSaqibBhutta]

@ItzNotABug thanks but this does not support null safety.