Release Spot 2.11.6

* NEWS, configure.ac, doc/org/setup.org: Update version.

NEWS

@@ -1,6 +1,4 @@
-New in spot 2.11.5.dev  (not yet released)
-
-  Nothing yet.
+New in spot 2.11.6  (2023-08-01)
 
   Bug fixes:
 
@@ -19,6 +17,8 @@ New in spot 2.11.5.dev  (not yet released)
     mixed.  Spot was safe from this bug because it was only using
     bdd_exist().  (Issue #535)
 
+  - Work around recent Pandas and GCC changes.
+
 New in spot 2.11.5  (2023-04-20)
 
   Bug fixes:

configure.ac

@@ -21,7 +21,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 AC_PREREQ([2.69])
-AC_INIT([spot], [2.11.5.dev], [spot@lrde.epita.fr])
+AC_INIT([spot], [2.11.6], [spot@lrde.epita.fr])
 AC_CONFIG_AUX_DIR([tools])
 AC_CONFIG_MACRO_DIR([m4])
 AM_INIT_AUTOMAKE([1.11 gnu tar-ustar color-tests parallel-tests])

doc/org/setup.org

@@ -1,11 +1,11 @@
 #+OPTIONS: H:2 num:nil toc:t html-postamble:nil ^:nil
 #+EMAIL: spot@lrde.epita.fr
 #+HTML_LINK_HOME: index.html
-#+MACRO: LASTDATE 2023-04-20
+#+MACRO: LASTDATE 2023-08-01
 
 #+NAME: SPOT_VERSION
 #+BEGIN_SRC python :exports none :results value :wrap org
-return "2.11.5"
+return "2.11.6"
 #+END_SRC
 
 #+NAME: TARBALL_LINK