[gjs] build: Post-release version bump

[Philip Chimento <pchimento src gnome org>]

commit 4d9a65ab940be63a1739f466104a00f6241299f2
Author: Philip Chimento <philip chimento gmail com>
Date:   Sat Feb 1 12:29:05 2020 +0100

    build: Post-release version bump

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index f1a6ee94..b343a81d 100644
--- a/meson.build
+++ b/meson.build
@@ -1,4 +1,4 @@
-project('gjs', 'cpp', 'c', version: '1.63.90', license: ['MIT', 'LGPL2+'],
+project('gjs', 'cpp', 'c', version: '1.63.91', license: ['MIT', 'LGPL2+'],
     meson_version: '>= 0.50.0',
     default_options: ['cpp_std=c++14', 'c_std=c99', 'warning_level=2'])