GNOME 3.34.0 megaupdate

Hi all,

Last week was 3.33.92, and this week is the final 3.34.0 release. I'm
wrangling the Fedora side of the release this time around as well. Same
as last week, we have a koji side tag to prepare the update, and then
I'll submit all of the builds together in a single megaupdate once ready.

Please use 'fedpkg build --target f31-gnome' to submit any builds that
should be part of the 3.34.0 update.

I'll collect all the builds on Wednesday or Thursday and submit them to