Use scaleable fonts.

Bug: https://bugs.gentoo.org/888025

diff -Naur enblend-4.2.0_p20161007.org/doc/static-preamble.tex enblend-4.2.0_p20161007/doc/static-preamble.tex
--- enblend-4.2.0_p20161007.org/doc/static-preamble.tex 2016-09-24 11:29:40.000000000 +0200
+++ enblend-4.2.0_p20161007/doc/static-preamble.tex     2022-12-27 07:30:42.966176272 +0100
@@ -5,6 +5,8 @@
 \RequirePackage[l2tabu, orthodox]{nag}
 
 
+\usepackage[T1]{fontenc}
+\usepackage{lmodern}       % scaleable fonts
 \usepackage{amsmath}       % align, align*
 \usepackage{bold-extra}    % Bold typewriter for programming language keywords
 \usepackage{color}         % \colorbox