Bump version to 3.21.92

Update NEWS.

NEWS

@@ -1,3 +1,22 @@
+3.21.92
+=======
+* Adjust screen capture to work with multiple stage views [Jonas; #770128]
+* Improve handling of cycle shortcuts [Florian; #771063]
+* Fix windows not getting undimmed in some cases [Rui; #770163, #752524]
+* Disable extension version check by default [Florian; #770887]
+* Misc. bug fixes [Rui, Florian, Michael; #770382, #770888, #770328]
+
+Contributors:
+  Jonas Ådahl, Michael Catanzaro, Fran Dieguez, Olivier Fourdan, Rui Matos,
+  Florian Müllner
+
+Translations:
+  Changwoo Ryu [ko], Baurzhan Muftakhidinov [kk], Aurimas Černius [lt],
+  Muhammet Kara [tr], Trần Ngọc Quân [vi], A S Alam [pa], Yosef Or Boczko [he],
+  Anders Jonsson [sv], Tiago Santos [pt], Hannie Dumoleyn [nl],
+  Rūdolfs Mazurs [lv], Claude Paroz [fr], Arash Mousavi [fa],
+  Fran Dieguez [gl], Stas Solovey [ru], Tom Tryfonidis [el]
+
 3.21.91
 =======
 Translations:

configure.ac

@@ -1,5 +1,5 @@
 AC_PREREQ(2.63)
-AC_INIT([gnome-shell],[3.21.91],[https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-shell],[gnome-shell])
+AC_INIT([gnome-shell],[3.21.92],[https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-shell],[gnome-shell])
 AX_IS_RELEASE([git-directory])
 
 AC_CONFIG_HEADERS([config.h])
@@ -78,7 +78,7 @@ AC_MSG_RESULT($enable_systemd)
 CLUTTER_MIN_VERSION=1.21.5
 GOBJECT_INTROSPECTION_MIN_VERSION=1.49.1
 GJS_MIN_VERSION=1.39.0
-MUTTER_MIN_VERSION=3.21.91
+MUTTER_MIN_VERSION=3.21.92
 GTK_MIN_VERSION=3.15.0
 GIO_MIN_VERSION=2.45.3
 LIBECAL_MIN_VERSION=3.5.3