main/postmarketos-base-ui: recommend lang (MR 6146)

Installation of lang gets moved from pmbootstrap to pmaports, since
pmbootstrap previously had installed lang only on non-default locale
systems. With this change also systems on the default locale can switch
between languages.

Closes: postmarketOS/pmaports#3314

[ci:skip-vercheck]: only _pmb_recommends was changed
[ci:skip-build]: already built successfully in CI

main/postmarketos-base-ui/APKBUILD

@@ -52,8 +52,13 @@ replaces="
 	"
 replaces_priority=100  # leave plenty for alpine
 
-# See MR 4744, MR 5352 and MR 5540 for the rationale
-_pmb_recommends="font-droid font-droid-nonlatin font-twemoji"
+# See MR 4744, MR 5352 and MR 5540 for the rationale of the font configuration
+_pmb_recommends="
+	font-droid
+	font-droid-nonlatin
+	font-twemoji
+	lang
+	"
 
 _source644="
 	etc/chrony/chrony.conf