Change action to enum like values

update_log.sql

UPDATE scsue_imc_log SET action='step'
WHERE
  action = "Initial commit" OR
  action = "Αρχική καταχώρηση" OR
  action = "Η κατάσταση του αιτήματος μεταβλήθηκε" OR
  action = "Step modified" OR
  action = "Comentario Inicial" OR
  action = "Hacer inicial" OR
  action = "Paso modificado"
;

UPDATE scsue_imc_log SET action='category'
WHERE
  action = "Category modified" OR
  action = "Η κατηγορία μεταβλήθηκε" OR
  action = "Categoria modificada"
;