% there are no sections, so no need to be so bold
\setkomafont{chapterentry}{\normalfont}

\tableofcontents

\vfill

\textit{\foreignlanguage{english}{\enquote{Any inaccuracies in this index may be explained by the fact that it has been sorted with the help of a computer.}}}\\
\mbox{}\hfill --- Donald Knuth