[gnome-shell] Bump version to 3.33.91

[Florian Müllner <fmuellner src gnome org>]

commit a4ec460f964cb842b3f1278ae48aad64f14c3342
Author: Florian Müllner <fmuellner gnome org>
Date:   Wed Aug 21 19:47:37 2019 +0000

    Bump version to 3.33.91
    
    Update NEWS.

 NEWS        | 18 ++++++++++++++++++
 meson.build |  4 ++--
 2 files changed, 20 insertions(+), 2 deletions(-)
---
diff --git a/NEWS b/NEWS
index 2089a233cf..85bbe4258f 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,21 @@
+3.33.91
+=======
+* Fix regression when adjusting brightness [Florian; #1500]
+* Fix pointer a11y timeout animation [Jonas D.; #1533]
+* Add new extensions CLI tool [Florian; #1234]
+* Only track top-level windows [Carlos; #556]
+* Misc. bug fixes and cleanups [Jonas D., Jonas Å., Piotr, Florian;
+  !678, !682, !686]
+
+Contributors:
+  Jonas Ådahl, Jonas Dreßler, Carlos Garnacho, Florian Müllner
+
+Translators:
+  Asier Sarasua Garmendia [eu], Sveinn í Felli [is], Anders Jonsson [sv],
+  Jordi Mas [ca], Kukuh Syafaat [id], Florentina Mușat [ro], Jiri Grönroos [fi],
+  Aurimas Černius [lt], Daniel Mustieles [es], Piotr Drąg [pl],
+  Danial Behzadi [fa]
+
 3.33.90
 =======
 * Implement DND app picker folder management [Georges; !643, !645, !664, !671]
diff --git a/meson.build b/meson.build
index 5586ae573f..5f67179bc1 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('gnome-shell', 'c',
-  version: '3.33.90',
+  version: '3.33.91',
   meson_version: '>= 0.47.0',
   license: 'GPLv2+'
 )
@@ -26,7 +26,7 @@ gio_req = '>= 2.56.0'
 gi_req = '>= 1.49.1'
 gjs_req = '>= 1.57.3'
 gtk_req = '>= 3.15.0'
-mutter_req = '>= 3.33.90'
+mutter_req = '>= 3.33.91'
 polkit_req = '>= 0.100'
 schemas_req = '>= 3.33.1'
 startup_req = '>= 0.11'