Remove use of any. This reverts to a previous change. Without any and the newest version this put us back to before the version change.

Restores to this change: https://github.com/flutter/flutter/commit/2be476d4015db8f6c442eefa3e9a897975407d4c
Apparently any is the cause.

I will make a separate issue to track updating of the labeler documentation.

*List which issues are fixed by this PR. You must list at least one issue.*

*If you had to change anything in the [flutter/tests] repo, include a link to the migration guide as per the [breaking change policy].*