[gmime] Bump version to 3.2.8

[Rico Tzschichholz <ricotz src gnome org>]

commit 6bff5288f9c108160dd56dd20a9c6608aa55f791
Author: Jeffrey Stedfast <jestedfa microsoft com>
Date:   Tue Apr 27 11:19:55 2021 -0400

    Bump version to 3.2.8

 NEWS         | 12 ++++++++++++
 configure.ac |  4 ++--
 2 files changed, 14 insertions(+), 2 deletions(-)
---
diff --git a/NEWS b/NEWS
index 89658a21..f5a9f437 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,15 @@
+### GMime 3.2.8
+
+* Various fixes to Vala (and other?) language bindings. (issue #96 and issue #101)
+
+* Enabled build for PPC64LE architecture (issue #100)
+
+* Added g_mime_object_write_content_to_stream() (issue #97)
+
+* Fixed parameter list parsing logic to not report a warning when everything is valid.
+
+* Fixed the parser to handle MIME parts without headers -or- content of any kind.
+
 ### GMime 3.2.7
 
 * Added some configure logic to auto-detect the system shift-jis charset alias. (issue #81)
diff --git a/configure.ac b/configure.ac
index 9affd5ff..857f4f28 100644
--- a/configure.ac
+++ b/configure.ac
@@ -12,8 +12,8 @@ AC_PREREQ(2.54)
 #
 m4_define([gmime_major_version], [3])
 m4_define([gmime_minor_version], [2])
-m4_define([gmime_micro_version], [7])
-m4_define([gmime_interface_age], [1])
+m4_define([gmime_micro_version], [8])
+m4_define([gmime_interface_age], [0])
 m4_define([gmime_binary_age],
           [m4_eval(100 * gmime_minor_version + gmime_micro_version)])
 m4_define([gmime_version],