Log Message:
tex-fontawesome5{,-doc}: add version 5.15.4

This package provides LaTeX support for the included "Font
Awesome 5 Free" icon set. These icons were designed by Fort
Awesome and released under the SIL OFL 1.1 license. The
commercial "Pro" version is also supported, if it is installed
and XeLaTeX or LuaLaTeX is used.