Dockerfile needs to be updated

[caus909]

Hello,
For information, the build no longer work, it fails on the "ungoogled_chromium" step:

Step 16/33 : RUN curl 'https://download.opensuse.org/repositories/home:/ungoogled_chromium/Debian_Buster/Release.key' | gpg --dearmor | tee /etc/apt/trusted.gpg.d/home-ungoogled_chromium.gpg > /dev/null ---> Running in 00d6236d83a1 % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 1083 0 1083 0 0 6563 0 --:--:-- --:--:-- --:--:-- 6563 gpg: no valid OpenPGP data found. Removing intermediate container 00d6236d83a1 ---> acaaae7b14b0 Step 17/33 : RUN apt-get update ---> Running in 0eb3a865d808 Hit:1 http://deb.debian.org/debian buster InRelease Hit:2 http://deb.debian.org/debian buster-updates InRelease Hit:3 http://security.debian.org/debian-security buster/updates InRelease Ign:4 http://download.opensuse.org/repositories/home:/ungoogled_chromium/Debian_Buster InRelease Err:5 http://download.opensuse.org/repositories/home:/ungoogled_chromium/Debian_Buster Release 404 Not Found [IP: 195.135.221.134 80] Reading package lists... E: The repository 'http://download.opensuse.org/repositories/home:/ungoogled_chromium/Debian_Buster Release' does not have a Release file. The command '/bin/sh -c apt-get update' returned a non-zero code: 100 make: *** [Makefile:2: build] Error 100