Given following log snippets, their explanation, and nothing else, explain what failure, if any, occurred during build of this package.

  Snippets are in a format of [X] : [Y], where [X] is a log snippet, and [Y] is the explanation.

  Snippets are delimited with '================'.

  Drawing on information from all snippets, provide a concise explanation of the issue and recommend a solution.

  Explanation of the issue, and recommended solution, should take a handful of sentences.

  Snippets:

  [INFO: Buildroot is handled by package management downloaded with a bootstrap image:
  rpm-4.19.1.1-2.eln136.x86_64
  rpm-sequoia-1.6.0-2.eln134.x86_64
  dnf5-5.2.1.0-1.eln136.x86_64
  dnf5-plugins-5.2.1.0-1.eln136.x86_64
Start: installing minimal buildroot with dnf
execv(/usr/bin/dnf-3) failed: No such file or directory
WARNING: DNF command failed, retrying, attempt #2, sleeping 10s
execv(/usr/bin/dnf-3) failed: No such file or directory
WARNING: DNF command failed, retrying, attempt #3, sleeping 10s
execv(/usr/bin/dnf-3) failed: No such file or directory
ERROR: Exception(/var/lib/copr-rpmbuild/workspace/workdir-u763d84x/anaconda/anaconda.spec) Config(fedora-eln-x86_64) 0 minutes 27 seconds]: [Includes the line of the failure and the few lines above which make  clear that the issue are related to the dnf version.
]

Issue: packit it trying to use dnf-3, as it's probably hardcoded somewhere. However the environment has dnf5 installed.
Resolution: Replace the hardcoded dnf-3 command with newer dnf version.