NEWS in cairo-1.17.6 vs NEWS in cairo-1.17.7

@@ -1,4 +1,13 @@
+Release 1.17.7 (2022-07-31) Sutou Kouhei <[e-mail]>
+===========================================================
+
+Fixes
+-----
+
+  * Fixed a bug that Cairo::UserFontFace#on_render_color_glyph isn't
+    called.
+
 Release 1.17.6 (2022-07-30) Sutou Kouhei <[e-mail]>
 ===========================================================
 
 Improvements
 ------------