don't fail when pulp cli didn't return valid json

[evgeni]

No description provided.

[evgeni]

I'm still puzzled why 95e9d5a was not sufficient, aka: in which case pulp cli doesn't return valid JSON yet does not exit non-zero

(Waiting on feedback from the person who reported the issue)

[evgeni]

#  pulp --format json task list --state-in running --state-in canceling
/usr/lib/python3.11/site-packages/urllib3/connection.py:463: SubjectAltNameWarning: Certificate for foreman.example.com has no `subjectAltName`, falling back to check for a `commonName` for now. This feature is being removed by major browsers and deprecated by RFC 2818. (See https://github.com/urllib3/urllib3/issues/497 for details.)
  warnings.warn(
[]

the warning is on stderr, so we mix those two up somewhere.

[evgeni]

foreman_maintain/lib/foreman_maintain/utils/command_runner.rb

Line 96 in e31bbdb

"#{@command} 2>&1"

whyyyyyyyyyyyy