Fixed broken Dockerfile

[reggeenr]

Not sure how this ever worked :/

#8 [stage-1 2/5] RUN dnf install yum && yum update -y
#8 15.31 CentOS Stream 9 - Extras packages                14 kB/s |  19 kB     00:01    
#8 16.81 Package yum-4.14.0-29.el9.noarch is already installed.
#8 17.02 Dependencies resolved.
#8 17.02 ================================================================================
#8 17.02  Package               Architecture  Version                Repository     Size
#8 17.02 ================================================================================
#8 17.02 Upgrading:
#8 17.02  dnf                   noarch        4.14.0-31.el9          baseos        479 k
#8 17.02  dnf-data              noarch        4.14.0-31.el9          baseos         39 k
#8 17.02  libdnf                x86_64        0.69.0-16.el9          baseos        667 k
#8 17.02  python3-dnf           noarch        4.14.0-31.el9          baseos        467 k
#8 17.02  python3-hawkey        x86_64        0.69.0-16.el9          baseos        102 k
#8 17.02  python3-libdnf        x86_64        0.69.0-16.el9          baseos        779 k
#8 17.02  yum                   noarch        4.14.0-31.el9          baseos         91 k
#8 17.02 
#8 17.02 Transaction Summary
#8 17.02 ================================================================================
#8 17.02 Upgrade  7 Packages
#8 17.02 
#8 17.02 Total download size: 2.6 M
#8 17.03 Is this ok [y/N]: Operation aborted.
#8 ERROR: process "/bin/sh -c dnf install yum && yum update -y" did not complete successfully: exit code: 1

[Luke-Roy-IBM]

👍