Fixed dnf update command in docker build

2 jobs for master in 5 minutes and 18 seconds (queued for 30 seconds)
Name Stage Failure
Build docker image Build
Install 47 Packages
Upgrade 28 Packages

Total download size: 32 M
Is this ok [y/N]:
Operation aborted.
The command '/bin/sh -c dnf update && install -y texlive-tikz-dependency texlive-tex4ht texlive-scheme-full texlive-ifluatex' returned a non-zero code: 1
Cleaning up file based variables
ERROR: Job failed: command terminated with exit code 1