We want to save the logs as plain text without special Unicode characters

Raw text contains paragraph (U+2029) and line (U+2028) separators that
many (command line) tools don't know. In plain text those are replaced
by line feed characters.

(cherry picked from commit bd18a6093c5fa2a0a60c8094c87894f5b7bf82ba)

• Co-authored-by: Ingo Klöcker <dev@ingo-kloecker.de>