[libgda/LIBGDA_5.2] Update news for 5.2.10 release

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit ef8f1519df1e6fad3c993a5f097f6cc37e2187de
Author: Daniel Espinosa <esodan gmail com>
Date:   Sat Nov 30 07:55:35 2019 -0600

    Update news for 5.2.10 release

 NEWS | 7 +++++++
 1 file changed, 7 insertions(+)
---
diff --git a/NEWS b/NEWS
index 24a1cccf5..5cc2be299 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,10 @@
+libgda 5.2.10
+ - MySQL: initial support for JSON type
+ - MySQL: test against 8.0
+ - GdaParser: remove spaces and enters before next statement, fix 203
+ - GdauiSet: fix gdaui_set_source_get_ref_columns() return value, fix #123
+ - SqlParser: fix Vala bindings
+
 libgda 5.2.9
  - Fix Sun JRE 1.8 detection
  - Fix JDK 11.0 detection