package/atkmm2_28: bump to version 2.28.4

https://gitlab.gnome.org/GNOME/atkmm/-/blob/2.28.4/NEWS

Signed-off-by: Daniel Lang <dalang@gmx.at>
Signed-off-by: Julien Olivain <ju.o@free.fr>

package/atkmm2_28/atkmm2_28.hash

@@ -1,5 +1,5 @@
-# From https://download.gnome.org/sources/atkmm/2.28/atkmm-2.28.3.sha256sum
-sha256  7c2088b486a909be8da2b18304e56c5f90884d1343c8da7367ea5cd3258b9969  atkmm-2.28.3.tar.xz
+# From https://download.gnome.org/sources/atkmm/2.28/atkmm-2.28.4.sha256sum
+sha256  0a142a8128f83c001efb8014ee463e9a766054ef84686af953135e04d28fdab3  atkmm-2.28.4.tar.xz
 # locally computed
 sha256  a9bdde5616ecdd1e980b44f360600ee8783b1f99b8cc83a2beb163a0a390e861  COPYING
 sha256  ab15fd526bd8dd18a9e77ebc139656bf4d33e97fc7238cd11bf60e2b9b8666c6  COPYING.tools

package/atkmm2_28/atkmm2_28.mk

@@ -5,7 +5,7 @@
 ################################################################################
 
 ATKMM2_28_VERSION_MAJOR = 2.28
-ATKMM2_28_VERSION = $(ATKMM2_28_VERSION_MAJOR).3
+ATKMM2_28_VERSION = $(ATKMM2_28_VERSION_MAJOR).4
 ATKMM2_28_SOURCE = atkmm-$(ATKMM2_28_VERSION).tar.xz
 ATKMM2_28_SITE = https://download.gnome.org/sources/atkmm/$(ATKMM2_28_VERSION_MAJOR)
 ATKMM2_28_LICENSE = LGPL-2.1+ (library), GPL-2.0+ (tools)