Trigger builds of qt5*-qtwebengine

[Joshua Root]

On 2021-1-2 12:38 , Davide Liessi wrote:
> Il giorno sab 2 gen 2021 alle ore 02:07 Joshua Root <jmr at macports.org>
> ha scritto:
>> "Excluding qt57-qtwebengine because it is known to fail"
>> "Excluding qt56-qtwebengine because it is known to fail"
> 
> Sorry, I should have checked the Portfiles more carefully.
> Thanks for trying.
> 
> This means that prior to 10.9 the default Qt 5 version cannot provide
> QtWebEngine.

If the stated platform requirements are correct, yes, unfortunately.

- Josh