12.2
setup_docs: Use the `usermod` command for docker.
social_auth: Add Discord as an authentication option.
docs: Rename setup-vagrant.md -> setup-recommended.md.
docs: Upgrade development environment page to use synced tabs.
docs: Add comma to all uses of "e.g." in contributor docs.
requirements: Migrate to uv.
provision: Replace Fedora 38 support with Fedora 43.
install: Support Ubuntu 26.04.
docs: Update links to go to zulip-flutter instead of zulip-mobile.