[libgda] Set version to 6.0.0

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit 04403dcea2fe3a07b67220cee6638fdd197bc0e8
Author: Daniel Espinosa <esodan gmail com>
Date:   Sun Jan 31 16:42:20 2021 -0600

    Set version to 6.0.0

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index f057ad3fd..254aeaab9 100644
--- a/meson.build
+++ b/meson.build
@@ -1,6 +1,6 @@
 project('libgda', 'vala', 'c',
         license: 'LGPL2+',
-        version : '5.91.0',
+        version : '6.0.0',
         meson_version: '>= 0.49',
         default_options: [
                         'c_std=gnu11',