[gnome-contacts] subprojects: Bump libhandy to fix i18n

[Niels De Graef <nielsdg src gnome org>]

commit b372b99ea94d4a410743eceacb8325efcce7eab8
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Fri Mar 1 17:21:08 2019 +0100

    subprojects: Bump libhandy to fix i18n

 subprojects/libhandy | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/subprojects/libhandy b/subprojects/libhandy
index 3721b49..96c040c 160000
--- a/subprojects/libhandy
+++ b/subprojects/libhandy
@@ -1 +1 @@
-Subproject commit 3721b490b6aacd0a8c755bf445b0a91ee9c347bc
+Subproject commit 96c040cacdf3ae1fcef37a003199ed8b61c0fba7