Steps for doing a xdg-desktop-portal release

Make sure the version in meson.build is correct
Add your changelog to the NEWS file
Run the "Release new version" GitHub Action
- The options are taken from the last NEWS entry by default, you may override them if needed
Bump version in meson.build
Update SECURITY.md if this is a new stable release
Update .github/ISSUE_TEMPLATE/bug-report.yml if this is a new stable release