Release of version v1.13.0
This adds support for Firefox tab containers from PR #171 .
No changes of the host tooling required
Note on permissions
On Firefox, we now request these additional permissions (which unfortunately cannot be made optional in Manifest V3): cookies, contextualIdentities. For details what we do with it and why we need it, see PRIVACY.md.
Full Changelog: v1.12.0...v1.13.0