packit: move to fedora-all target

[thrix]

Signed-off-by: Miroslav Vadkerti mvadkert@redhat.com

[packit-as-a-service]

Failed to load packit config file:

Cannot load package config '.packit.yaml'. while parsing a block mapping
  in "<unicode string>", line 1, column 1:
    specfile_path: fmf.spec
    ^
expected <block end>, but found '-'
  in "<unicode string>", line 15, column 1:
    - job: tests
    ^

[psss]

Thanks for the update, Miro!