[gjs/gnome-3-30] release: Prepare for 1.54.2

[Philip Chimento <pchimento src gnome org>]

commit 4e81717703b3ebf0b8e85b7f286f92fa4103eacd
Author: Philip Chimento <philip chimento gmail com>
Date:   Mon Oct 22 10:30:50 2018 -0400

    release: Prepare for 1.54.2

 NEWS | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
---
diff --git a/NEWS b/NEWS
index d3834751..4b605f02 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,19 @@
+Version 1.54.2
+--------------
+
+- Closed bugs and merge requests:
+  * context: Defer and therefore batch forced GC runs [performance] [!236,
+    Daniel van Vugt]
+  * context: use timeout with seconds to schedule a gc trigger [!239, Marco
+    Trevisan]
+  * fundamental: Check if gtype is valid before using it [!242, Georges Basile
+    Stavracas Neto]
+
+- Backported a fix for a crash in the interactive interpreter when executing
+  something like `throw "foo"` [Philip Chimento]
+
+- Backported various maintenance from 3.31 [Philip Chimento]
+
 Version 1.54.1
 --------------