[library-web] extra-tarballs: add explicit mention of pango

[Frederic Peters <fpeters src gnome org>]

commit 548f2cc44bd8523cc2f20bd9f21211ca61123e9b
Author: Frédéric Péters <fpeters 0d be>
Date:   Sun Jul 28 10:27:26 2019 +0200

    extra-tarballs: add explicit mention of pango

 data/extra-tarballs | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/data/extra-tarballs b/data/extra-tarballs
index d717fbf..306fd0e 100644
--- a/data/extra-tarballs
+++ b/data/extra-tarballs
@@ -126,3 +126,4 @@ gnome://gnome-panel?min=3.8
 # modulesets with GNOME 3.28, so they need to be explicitely declared.
 # https://gitlab.gnome.org/Infrastructure/Infrastructure/issues/145
 gnome://orca?min=3.28
+gnome://pango?min=1.40