[libadwaita/wip/exalm/bump] Post-release version bump to 1.3.alpha

[Alexander Mikhaylenko <alexm src gnome org>]

commit 79f76a613120b8b457db8c1943c3d0e94bb242eb
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Thu Sep 15 17:57:50 2022 +0400

    Post-release version bump to 1.3.alpha

 meson.build | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/meson.build b/meson.build
index 6e03ad31..b7698039 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('libadwaita', 'c',
-          version: '1.2.0',
+          version: '1.3.alpha',
           license: 'LGPL-2.1-or-later',
     meson_version: '>= 0.59.0',
   default_options: [ 'warning_level=1', 'buildtype=debugoptimized', 'c_std=gnu11' ],
@@ -29,7 +29,7 @@ package_api_name = '@0@-@1@'.format(meson.project_name(), apiversion)
 # to 0. When bumping the second version, set the third one to zero.
 #
 # A lot easier than libtool, right?
-libversion = '0.2.0'
+libversion = '0.3.0'
 # The so major version of the library
 soversion = 0