[tracker] build: Bump version to 2.3.0 in master

[Sam Thursfield <sthursfield src gnome org>]

commit fd587b6e6bb669966cf56060d125ad6da5500072
Author: Sam Thursfield <sam afuera me uk>
Date:   Sat May 25 20:15:54 2019 +0200

    build: Bump version to 2.3.0 in master
    
    API additions for the 2.3 series are now possible.

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index ebe08de2f..b0b6b4d98 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('tracker', 'c', 'vala',
-        version: '2.2.2',
+        version: '2.3.0',
         meson_version: '>=0.47')
 
 gnome = import('gnome')