fix: respect formatter width in analysis_options.yaml

[jtdLab]

The extensions does not respect the formatter width defined in analysis_options.yaml when generating files

[amanxnanda]

It's a genuine issue, please try to fix it

[amanxnanda]

Hey @jtdLab, I have added the format on execution by forking this extension.
You can use this release and manually install the VS code extension.
https://github.com/amanxnanda/flutter-intl-vscode/releases/tag/1.20.0