fix(languages): Set proper hyphenation minima for Esperanto

SILE uses its own hyphenation patterns (different than those from TeX
and assumed to be better) but was using (2, 3) as hyphenation minima,
whereas the usual convention is (2, 2).

Author: Omikhleia

languages/eo/hyphens.lua

@@ -1,6 +1,12 @@
 -- Verkita originale por Fredrick BRENNAN (copypaste@kittens.ph) 2022-jare
 -- Original file by Fredrick R. Brennan (copypaste@kittens.ph) in 2022
 return {
+   hyphenmins = {
+      -- Usual typesetting convention from TeX
+      -- TeX use a different set of patterns, but we can assume that the hyphenation minima
+      -- for typesetting should be the same.
+      typesetting = { left = 2, right = 2 },
+   },
    patterns = {
       -- La fonto de la ŝablonoj ĉisubaj estas Sergio Pokrovskij (@pok49)'s GitHub-projekto «vortdivido».
       -- (The source of the patterns below is Sergio Pokrovskij (@pok49)'s «vortdivido» project on GitHub.)