All ini files already generated in dqc_wrapper/QAR_dqc/conf/ have been renamed as well

* 'master' of https://earth.bsc.es/gitlab/ces/c3s512-wp1-datachecker:
  fix
  change time_step from 3 to 1

* 'master' of https://earth.bsc.es/gitlab/ces/c3s512-wp1-datachecker:
  testing new json2txt_cdm
  Patch ini2pdf to handle inexistent key error when some ini lacks an specific section
  trying to use json library to avoid dependencies on json structure
  added check single-levels-2m_dewpoint_temperature-ncep-2.ini
  added check seasonal_original_single_levels-ncep-2-2m_temperature

* 'master' of https://earth.bsc.es/gitlab/ces/c3s512-wp1-datachecker:
  Add the feature to update zip files with the files dropped in the result dir