Upgrade libretranslate

And only install language packages for translations to English and
German.

site-cookbooks/kosmos-mastodon/recipes/libretranslate.rb

@@ -5,7 +5,7 @@
 
 build_essential
 
-version = "1.3.8"
+version = "1.3.12"
 
 %w{ python3 python3-pip python3-setuptools python3-dev }.each do |pkg|
   apt_package pkg
@@ -24,7 +24,10 @@ bash "install_libretranslate" do
   notifies :restart, "service[libretranslate]", :delayed
 end
 
-languages = `sudo -u libretranslate /opt/libretranslate/.local/bin/argospm search`
+langs_to_en = `sudo -u libretranslate /opt/libretranslate/.local/bin/argospm search --to-lang en`
+langs_to_de = `sudo -u libretranslate /opt/libretranslate/.local/bin/argospm search --to-lang de`
+languages = langs_to_en + langs_to_de
+
 languages.each_line do |line|
   lang = line.split(':').first