[gjs] release: Prepare for 1.53.91

[Philip Chimento <pchimento src gnome org>]

commit 136e332a902fdccf091c6bfd2b95b49858f59c6e
Author: Philip Chimento <philip chimento gmail com>
Date:   Thu Aug 16 13:28:14 2018 -0400

    release: Prepare for 1.53.91

 NEWS | 10 ++++++++++
 1 file changed, 10 insertions(+)
---
diff --git a/NEWS b/NEWS
index e15ba5d9..9e76011c 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,13 @@
+Version 1.53.91
+---------------
+
+- Closed bugs and merge requests:
+  * CI: add webkit and gtk-app tests [!222, Claudio André]
+  * Fix example eslint errors [!207, Claudio André, Philip Chimento]
+  * Fix more "lost" GInterface properties [!223, Florian Müllner]
+  * Fix --enable-installed-tests when built from a tarball [!224, Simon
+    McVittie]
+
 Version 1.53.90
 ---------------