missed meson.build version number

Author: jcupitt

README.md

@@ -145,6 +145,8 @@ $ vipsdisp ~/pics/k2.jpg
 
 Version needs updating in the following places:
 
+- **`meson.buiild`**
+
 - **`org.libvips.vipsdisp.appdata.xml`** and some release notes and a date as
   well.
 

meson.build

@@ -1,6 +1,6 @@
 project(
   'vipsdisp', 'c',
-  version: '2.4.2',
+  version: '2.5.0',
   license: 'MIT',
   meson_version: '>=0.56',
   default_options: [