Log Message:
tex-[t-z]*: update to texlive 2020 package versions

tex-tcolorbox{,-doc} to 4.30
tex-tex4ebook{,-doc} to 0.3a
tex-tex4ht{,-doc} to 2020
tex-texdoc{,-doc} to 2020
tex-texdoctk{,-doc} to 0.6.0.54557
tex-texinfo to 5.1.54994
tex-textcase{,-doc} to 1.00
tex-thmtools{,-doc} to 68
tex-titlesec{,-doc} to 2.13
tex-tocloft{,-doc} to 2.3j
tex-tools{,-doc} to 2020
tex-tracklang{,-doc} to 1.4
tex-udesoftec{,-doc} to 1.6.6
tex-ulem{,-doc} to 2020
tex-unicode-data{,-doc} to 1.13
tex-updmap-map to 2020
tex-xetex{,-doc} to 2020
tex-zxjafont{,-doc} to 1.2