[libnma] release: bump version to 1.8.31 (development)

[Beniamino Galvani <bgalvani src gnome org>]

commit 2de3562e6bc40104bb98cb1b902b3a82b245eb1a
Author: Beniamino Galvani <bgalvani redhat com>
Date:   Mon Jun 22 15:10:10 2020 +0200

    release: bump version to 1.8.31 (development)

 configure.ac | 2 +-
 meson.build  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 6e6ec366..66ed5fa4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@ AC_PREREQ([2.63])
 
 m4_define([nma_major_version], [1])
 m4_define([nma_minor_version], [8])
-m4_define([nma_micro_version], [30])
+m4_define([nma_micro_version], [31])
 m4_define([nma_version],
           [nma_major_version.nma_minor_version.nma_micro_version])
 
diff --git a/meson.build b/meson.build
index 54931b58..98c51e2c 100644
--- a/meson.build
+++ b/meson.build
@@ -1,6 +1,6 @@
 project(
   'libnma', 'c',
-  version: '1.8.30',
+  version: '1.8.31',
   license: 'GPL2+',
   default_options: [
     'buildtype=debugoptimized',