update changes for 23.11

CHANGES.md

@@ -1,3 +1,20 @@
+# 23.11
+
+  * The sneut5 neutrino cooling term was cleaned up (#1371, #1372,
+    #1373, #1374, #1375, #1377, #1378, #1379)
+
+  * The number of predictor-corrector iterations for the SDC+NSE algorithm
+    is now a runtime parameter (#1370)
+
+  * The Urca network now includes a more accurate rate for neutron decay
+    and electon-capture onto a proton. (#1359)
+
+  * The He-C-Fe-group network now includes the positron parts of the
+    weak reaction rates (#1360)
+
+  * A check was added to ensure that the helm_table.dat is valid on
+    reading (#1355)
+
 # 23.10
 
   * The simplified-SDC and true-SDC code paths for integration