[librsvg] Update NEWS

[Federico Mena Quintero <federico src gnome org>]

commit 60faea54659365421df07fa0cee5f627aa6218c5
Author: Federico Mena Quintero <federico gnome org>
Date:   Tue Feb 13 11:06:28 2018 -0600

    Update NEWS

 NEWS | 13 +++++++++++++
 1 file changed, 13 insertions(+)
---
diff --git a/NEWS b/NEWS
index 5da49aac..40fcffec 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,16 @@
+Version 2.42.3
+- gitlab#91 - Fix rendering of masks and clips when the initial
+  transformation has a translation component (Massimo).
+- gitlab#161 - Fix the marker angle for the last vertex of closed
+  paths (Juraj Fiala).
+- gitlab#198 - Make rsvg_pixbuf_from_file() and its derived functions
+  work again.  Now we have tests for the whole public API.
+- gitlab#143 - Minor optimizations for Gaussian blurs (Timm Bäder).
+- rsvg-convert now supports SOURCE_DATE_EPOCH per
+  https://reproducible-builds.org/specs/source-date-epoch/ to generate
+  reproducible output for PDFs (Chris Lamb).
+- Code moved to Rust: SVG paint servers (Dmitry Kontsevoy).
+
 Version 2.42.2
 - gitlab#193 - Don't crash when feConvolveMatrix doesn't specify
   orderx/ordery attributes.