Add oneTimeCode to textContentType typings

[blake-simpson]

iOS 12 supports a new textContentType attribute with the value oneTimeCode for extracting security codes from single-factor SMS login flows.

https://developer.apple.com/documentation/security/password_autofill/enabling_password_autofill_on_a_text_input_view

This commit adds the Flow typings and Prop Types.

As far as I can see no changes need to be made to the iOS code for this change.

If this change is accepted I would also make a follow-up PR for the documentation.

Release Notes:

[IOS] [ENHANCEMENT] [TextInput] - Added oneTimeCode typings and prop types to the textContentType prop of TextInput.

[facebook-github-bot]

Thank you for your pull request and welcome to our community. We require contributors to sign our Contributor License Agreement, and we don't seem to have you on file. In order for us to review and merge your code, please sign up at https://code.facebook.com/cla. If you are contributing on behalf of someone else (eg your employer), the individual CLA may not be sufficient and your employer may need the corporate CLA signed.

If you have received this in error or have any questions, please contact us at cla@fb.com. Thanks!

[facebook-github-bot]

Thank you for signing our Contributor License Agreement. We can now accept your code for this (and any) Facebook open source project. Thanks!

[elicwhite]

Thanks for contributing this PR but I'm landing #21079 in favor of this since it adds another one as well.

[blake-simpson]

That makes sense, thanks for the response.