Link to GitHub in Update Notification

The Update Notification now links to the GitHub releases page and not
the GitLab one (as the former actually holds the download links).
12 jobs for 126-link-to-github-in-update-notifications in 8 minutes and 26 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Images
manual #38084648
allowed to fail manual
build_image_fedora
manual #38084649
allowed to fail manual
build_image_fedora_system
manual #38084650
allowed to fail manual
build_image_ubuntu
manual #38084651
allowed to fail manual
build_image_win32
manual #38084652
allowed to fail manual
build_image_win64
 
  Build
passed #38084653
linux_builtin

00:03:08

passed #38084654
linux_system

00:03:11

passed #38084655
ubuntu_appimage

00:04:18

passed #38084656
win32_build

00:03:05

passed #38084657
win64_build

00:05:11

 
  Installer
passed #38084658
win32_installer

00:03:13

passed #38084659
win64_installer

00:03:06