[atkmm] Require atk >= 2.33.3

[Kjell Ahlstedt <kjellahl src gnome org>]

commit b46fc7a2840e4e3082ab1e11a5f2a1831d603962
Author: Kjell Ahlstedt <kjellahlstedt gmail com>
Date:   Mon May 16 14:52:26 2022 +0200

    Require atk >= 2.33.3
    
    Atkmm has required atk >= 2.33.3 since atkmm 2.36.0, but it has not been
    properly specified in configure.ac and meson.build.

 configure.ac | 2 +-
 meson.build  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 1d7ebc4..33e90e4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -52,7 +52,7 @@ MM_AX_CXX_COMPILE_STDCXX([17], [noext], [mandatory])
 AC_DISABLE_STATIC
 LT_INIT([win32-dll])
 
-AC_SUBST([ATKMM_MODULES], ['atk >= 1.18 glibmm-2.68 >= 2.68.0'])
+AC_SUBST([ATKMM_MODULES], ['atk >= 2.33.3 glibmm-2.68 >= 2.68.0'])
 PKG_CHECK_MODULES([ATKMM], [$ATKMM_MODULES])
 
 MM_PKG_CONFIG_SUBST([GTHREAD_CFLAGS], [--cflags-only-other gthread-2.0])
diff --git a/meson.build b/meson.build
index 60abf02..16f327e 100644
--- a/meson.build
+++ b/meson.build
@@ -102,7 +102,7 @@ install_pkgconfigdir = install_libdir / 'pkgconfig'
 glibmm_req = '>= 2.68.0'
 
 # Atk supported pkg-config files on MSVC files for a good while, so just use that
-atk_req = '>= 1.18.0'
+atk_req = '>= 2.33.3'
 atk_dep = dependency('atk', version: atk_req)
 # The -mm libraries do not yet have pkg-config files for MSVC builds,
 # so check for them manually