[babl] meson: post release version bump

[Øyvind "pippin" Kolås <ok src gnome org>]

commit ebe63b3532b39b280f15776c3edc8298930b1574
Author: Øyvind Kolås <pippin gimp org>
Date:   Mon Feb 21 23:35:12 2022 +0100

    meson: post release version bump

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 218ff3a88..4770c207c 100644
--- a/meson.build
+++ b/meson.build
@@ -1,6 +1,6 @@
 project('babl', 'c',
   license: 'LGPL3+',
-  version: '0.1.90',
+  version: '0.1.91',
   meson_version: '>=0.54.0',
   default_options: [
     'buildtype=debugoptimized'