[gimp] depend on GEGL-0.4.28

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

commit 2d5aa81456e5e9f5ec866fd5293f8d117c43faf4
Author: Øyvind Kolås <pippin gimp org>
Date:   Sun Dec 20 13:37:08 2020 +0100

    depend on GEGL-0.4.28

 app/sanity.c | 2 +-
 meson.build  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/app/sanity.c b/app/sanity.c
index 6374ac1ad2..9774e8b6ff 100644
--- a/app/sanity.c
+++ b/app/sanity.c
@@ -518,7 +518,7 @@ sanity_check_gegl (void)
 
 #define GEGL_REQUIRED_MAJOR 0
 #define GEGL_REQUIRED_MINOR 4
-#define GEGL_REQUIRED_MICRO 26
+#define GEGL_REQUIRED_MICRO 28
 
   gegl_get_version (&gegl_major_version,
                     &gegl_minor_version,
diff --git a/meson.build b/meson.build
index c54532e197..bdd3f8b677 100644
--- a/meson.build
+++ b/meson.build
@@ -352,7 +352,7 @@ freetype2_minver  = '2.1.7'
 freetype2         = dependency('freetype2',          version: '>='+freetype2_minver)
 gdk_pixbuf_minver = '2.30.8'
 gdk_pixbuf        = dependency('gdk-pixbuf-2.0',     version: '>='+gdk_pixbuf_minver)
-gegl_minver       = '0.4.27'
+gegl_minver       = '0.4.28'
 gegl              = dependency('gegl-0.4',           version: '>='+gegl_minver)
 gexiv2_minver     = '0.10.6'
 gexiv2            = dependency('gexiv2',             version: '>='+gexiv2_minver)