[gnome-shell] Bump version to 3.28.1

[Florian Müllner <fmuellner src gnome org>]

commit 5b10d157fe5b60a11e87737c1050f161b2f986a6
Author: Florian Müllner <fmuellner gnome org>
Date:   Fri Apr 13 20:11:39 2018 +0200

    Bump version to 3.28.1
    
    Update NEWS.

 NEWS        | 17 +++++++++++++++++
 meson.build |  2 +-
 2 files changed, 18 insertions(+), 1 deletion(-)
---
diff --git a/NEWS b/NEWS
index eeb763497..0c56e7ec9 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,20 @@
+3.28.1
+======
+* Fix compose characters in shell entries [Carlos; #115]
+* Don't show authentication dialogs on lock screen [Florian; #179, #166]
+* Fix handling of UTC timezone in world clock [Florian; #150]
+* Fix keyboard navigation in overview when hovering windows [Florian; #50]
+* Misc. bug fixes [Florian; #127, #788908, #763886, !39]
+
+Contributors:
+  Jeremy Bicha, Carlos Garnacho, Andy Holmes, Florian Müllner, Bastien Nocera
+
+Translators:
+  Stas Solovey [ru], Daniel Șerbănescu [ro], Dušan Kazik [sk],
+  Rafael Fontenelle [pt_BR], Nathan Follens [nl], Dz Chen [zh_CN],
+  Matej Urbančič [sl], Hannie Dumoleyn [nl], Khaled Hosny [ar],
+  Guillaume Bernard [fr]
+
 3.28.0
 ======
 
diff --git a/meson.build b/meson.build
index a420e7963..bfc2ff76c 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('gnome-shell', 'c',
-  version: '3.28.0',
+  version: '3.28.1',
   meson_version: '>= 0.42.0',
   license: 'GPLv2+'
 )