bug#61387: 30.0.50; Support webkit2gtk-4.1

[Eli Zaretskii]

> From: Ulrich Müller <ulm@gentoo.org>
> Date: Thu, 09 Feb 2023 12:52:56 +0100
> 
> Gentoo is transitioning from webkit2gtk-4.0 to 4.1,
> see downstream bug at <https://bugs.gentoo.org/893668>.
> 
> Would it be possible to support webkit2gtk-4.1? IIUC there should be
> no API differences, so updating configure should be enough.

Are you proposing this for Emacs 29 or for Emacs 30?

> The patch below adds a configure option --with-webkit2gtk=VALUE that
> allows to select version 4.0 or 4.1.

Is it really necessary to ask for a specific version?  Why cannot
Emacs use the version that is installed?

Thanks.