Posthumously bump the latest version on HEAD to 0.6

While here, add the actual release date for 0.5, since I failed to do
that earlier...

Signed-off-by: Enji Cooper <ngie@FreeBSD.org>

NEWS.md

@@ -1,8 +1,11 @@
 # Major changes between releases
 
-## Changes in version 0.5 (UNRELEASED)
+## Changes in version 0.6 (UNRELEASED)
 
-Released on 2024/05/XX.
+
+## Changes in version 0.5
+
+Released on 2024/11/25.
 
 * Use more modern autotools macros.  Bump the minimum autoconf version to 2.68 to
   support this change.

configure.ac

@@ -26,7 +26,7 @@ dnl THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 dnl (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 dnl OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-AC_INIT([Lutok], [0.5],
+AC_INIT([Lutok], [0.6],
         [testing@FreeBSD.org], [lutok],
         [https://github.com/freebsd/lutok/])
 AC_PREREQ([2.68])