[nautilus-python] Release 4.0

[Jan Tojnar <jtojnar src gnome org>]

commit cec007e8b159ff2225a23229adaf8b0fee80dca2
Author: Jan Tojnar <jtojnar gmail com>
Date:   Sat Sep 17 22:28:52 2022 +0200

    Release 4.0

 NEWS.md     | 4 ++++
 meson.build | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)
---
diff --git a/NEWS.md b/NEWS.md
index 6865094..064113d 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,7 @@
+## 4.0 (2022-09-17)
+
+- Updated migration docs and rewrote overview.
+
 ## 4.0.alpha (2022-08-12)
 
 - The extension was ported to Nautilus 43 
(https://gitlab.gnome.org/GNOME/nautilus-python/-/merge_requests/11)
diff --git a/meson.build b/meson.build
index 2aa4104..3146e5f 100644
--- a/meson.build
+++ b/meson.build
@@ -1,7 +1,7 @@
 project(
   'nautilus-python',
   'c',
-  version: '4.0.alpha',
+  version: '4.0',
   meson_version: '>= 0.59.0',
 )