Installing in Firefox and/or Chrome/Chromium failed on debian 12

[dcaillibaud]

On a debian 12 (bookworm), with cinnamon desktop

$ mkcert --version
1.4.4
$ openssl version
OpenSSL 3.0.13 30 Jan 2024 (Library: OpenSSL 3.0.13 30 Jan 2024)
$ firefox --version
Mozilla Firefox 115.14.0esr
$ chromium --version
Chromium 127.0.6533.99 built on Debian GNU/Linux 12 (bookworm)

$ mkcert -install
The local CA is already installed in the system trust store! 👍
Installing in Firefox and/or Chrome/Chromium failed. Please report the issue with details about your environment at https://github.com/FiloSottile/mkcert/issues/new 👎

A -debug option writing more informations about what failed could be interesting.