Log Message:
appstream-glib: update to 0.8.0.

Version 0.8.0
~~~~~~~~~~~~~
Released: 2022-07-15

New Features:
 - Add validation for duplicate license xml elements (Otto Urpelainen)
 - Add vcs-browser and contribute URL type (JakobDev)
 - Port from libsoup to libcurl (Richard Hughes)
 - Support em/code tags (Philip Müller)
 - Use GProxyResolver to auto-detect the correct proxy (Richard Hughes)

Bugfixes:
 - Align the OARS/CSM mappings (Philip Withnall)
 - Also unwrap description in metainfo files (Fabian Vogt)
 - Check --version-script linker option before using (Biswapriyo Nath)
 - Consider the AppStream version as a string (Corentin Noël)
 - Do not show a critical warning on \ 
<suggests><id/></suggests> (Richard Hughes)
 - Fix extracting relative symlinks and file paths in icon tarball (Fabian Vogt, \ 
Philip Withnall)
 - Fix Markdown underlining in appdata-to-news (Philip Withnall)
 - Fix validation of translated captions when LANG is not C (Richard Hughes)
 - Make directories as 0755 && umask (Pavel Raiskup)
 - Parse custom and launchables from DEP-11 (Sebastian Krzyszkowiak)
 - Sync the ITS file with appstream (Piotr Drąg)
 - Update current version in AsStore (Corentin Noël)
 - Update to SPDX 3.16 (Nick Richards)