maint: Post-release version bump to 6.3.0

Signed-off-by: NPeter Krempa <pkrempa@redhat.com>

configure.ac

@@ -16,7 +16,7 @@ dnl You should have received a copy of the GNU Lesser General Public
 dnl License along with this library.  If not, see
 dnl <http://www.gnu.org/licenses/>.
 
-AC_INIT([libvirt], [6.2.0], [libvir-list@redhat.com], [], [https://libvirt.org])
+AC_INIT([libvirt], [6.3.0], [libvir-list@redhat.com], [], [https://libvirt.org])
 
 if test $srcdir = "."
 then

docs/news.xml

@@ -42,6 +42,14 @@
      -->
 
 <libvirt>
+  <release version="v6.3.0" date="unreleased">
+    <section title="New features">
+    </section>
+    <section title="Improvements">
+    </section>
+    <section title="Bug fixes">
+    </section>
+  </release>
   <release version="v6.2.0" date="2020-04-02">
     <section title="New features">
       <change>