[gnome-sudoku] Prepare 40.0

[Michael Catanzaro <mcatanzaro src gnome org>]

commit c33a3f8574acbb7afbb821b5fa1868b1ba78bdfb
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Mon Mar 22 16:53:12 2021 -0500

    Prepare 40.0

 NEWS                                 | 6 ++++++
 data/org.gnome.Sudoku.appdata.xml.in | 1 +
 meson.build                          | 2 +-
 3 files changed, 8 insertions(+), 1 deletion(-)
---
diff --git a/NEWS b/NEWS
index 66fdc6e..e0f5beb 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,9 @@
+40.0 - March 22, 2021
+=====================
+
+- Vala warning fixes (Rico Tzschichholz)
+- Many translations updates
+
 40.alpha - January 7, 2021
 ==========================
 
diff --git a/data/org.gnome.Sudoku.appdata.xml.in b/data/org.gnome.Sudoku.appdata.xml.in
index da32053..2a88160 100644
--- a/data/org.gnome.Sudoku.appdata.xml.in
+++ b/data/org.gnome.Sudoku.appdata.xml.in
@@ -47,6 +47,7 @@
     <kudo>UserDocs</kudo>
   </kudos>
   <releases>
+    <release version="40.0" date="2021-03-22" />
     <release version="40.alpha" date="2021-01-07" />
     <release version="3.38.0" date="2020-09-11" />
     <release version="3.37.92" date="2020-09-04" />
diff --git a/meson.build b/meson.build
index 5727655..28be5d9 100644
--- a/meson.build
+++ b/meson.build
@@ -4,7 +4,7 @@ project('gnome-sudoku', ['c', 'cpp', 'vala'],
   ],
   license: 'GPL3+',
   meson_version: '>= 0.50',
-  version: '40.alpha'
+  version: '40.0'
 )
 application_id = 'org.gnome.Sudoku'
 add_project_arguments([