[vala] Sync NEWS from 0.56

[Rico Tzschichholz <ricotz src gnome org>]

commit 685aedcf05399e0ffd40aef3a8a4469c2bb591f2
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Fri Sep 16 15:56:25 2022 +0200

    Sync NEWS from 0.56

 NEWS | 13 +++++++++++++
 1 file changed, 13 insertions(+)
---
diff --git a/NEWS b/NEWS
index 566b22462..a99f8ce7e 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,16 @@
+Vala 0.56.3
+===========
+ * Various improvements and bug fixes:
+  - vala: Don't unconditionally expect ObjectType of Class [#1341]
+  - vala: Make try-statement parsing more resilient [#1304]
+  - vala: Avoid problems with '\' in #line directives on Windows [#1353]
+  - gidlparser: Set source reference of parameters
+
+ * Bindings:
+  - atspi-2: Fix a few binding errors
+  - glib-2.0: Use g_abort for GLib.Process.abort() beginning with 2.50 [#1350]
+  - gtk+-3.0: Correctly unhide BindingSet.by_class to avoid Version attribute
+
 Vala 0.56.2
 ===========
  * Various improvements and bug fixes: