Firefox ESR switch and rust-cbindgen incompatibilities

[malcolmlewis]

Just a heads up to all the Firefox and Thunderbird users before the questions about why it’s not updated, CVE’s etc…

https://lists.opensuse.org/archives/list/factory@lists.opensuse.org/thread/IKQTATB7OZE2GH5C3WPE7UQ4APBTAKXI/