[gegl] build: depend on babl-0.1.84

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

commit 7e6ba97561d7c6c3c649965123ebdc6ea90ef676
Author: Øyvind Kolås <pippin gimp org>
Date:   Sun Dec 20 12:52:02 2020 +0100

    build: depend on babl-0.1.84
    
    It again depends on meson >=0.54.0

 meson.build | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/meson.build b/meson.build
index a8846c155..b55927823 100644
--- a/meson.build
+++ b/meson.build
@@ -1,7 +1,7 @@
 project('gegl',
   'c', 'cpp',
   license: 'GPL3+',
-  version: '0.4.27',
+  version: '0.4.28',
   meson_version: '>=0.50.0',
   default_options: [
     'c_std=gnu11',
@@ -157,7 +157,7 @@ math    = cc.find_library('m', required: false)
 libdl   = cc.find_library('dl', required : false)
 thread  = dependency('threads')
 
-babl      = dependency('babl',        version: '>=0.1.78')
+babl      = dependency('babl',        version: '>=0.1.84')
 glib      = dependency('glib-2.0',    version: '>=2.44.0')
 gobject   = dependency('gobject-2.0', version: '>=2.44.0')
 gmodule   = dependency('gmodule-2.0', version: '>=2.44.0')