[vala/staging] Sync NEWS from 0.54

[Rico Tzschichholz <ricotz src gnome org>]

commit 7996b74c846ad04a165630f196f4af26f7749d47
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Tue Oct 19 08:25:14 2021 +0200

    Sync NEWS from 0.54

 NEWS | 13 +++++++++++++
 1 file changed, 13 insertions(+)
---
diff --git a/NEWS b/NEWS
index 541c617a8..37e0bc847 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,16 @@
+Vala 0.54.2
+===========
+ * Various improvements and bug fixes:
+  - vala:
+    + Multi-dimensional params-array not allowed [#1230]
+    + Accept NullType as generic type argument
+    + Set source references of created DataType instances in OCE
+
+ * Bindings:
+  - gio-2.0: Update to 2.71.0~a0d2efdc
+  - glib-2.0: Update 2.70 symbols
+  - gtk4: Update to 4.5.0~da5efea6
+
 Vala 0.54.1
 ===========
  * Regression and bug fixes: