[5.0.x] Added stub release notes and release date for 4.2.7, 4.1.13, and 3.2.23.

Backport of fdd1323b9c83e56184e0c992af8faf8d54327775 from main

docs/releases/3.2.23.txt

@@ -0,0 +1,9 @@
+===========================
+Django 3.2.23 release notes
+===========================
+
+*November 1, 2023*
+
+Django 3.2.23 fixes a security issue with severity "moderate" in 3.2.22.
+
+...

docs/releases/4.1.13.txt

@@ -0,0 +1,9 @@
+===========================
+Django 4.1.13 release notes
+===========================
+
+*November 1, 2023*
+
+Django 4.1.13 fixes a security issue with severity "moderate" in 4.1.12.
+
+...

docs/releases/4.2.7.txt

@@ -2,9 +2,10 @@
 Django 4.2.7 release notes
 ==========================
 
-*Expected November 1, 2023*
+*November 1, 2023*
 
-Django 4.2.7 fixes several bugs in 4.2.6.
+Django 4.2.7 fixes a security issue with severity "moderate" and several bugs
+in 4.2.6.
 
 Bugfixes
 ========

docs/releases/index.txt

@@ -47,6 +47,7 @@ versions of the documentation contain the release notes for any later releases.
 .. toctree::
    :maxdepth: 1
 
+   4.1.13
    4.1.12
    4.1.11
    4.1.10
@@ -83,6 +84,7 @@ versions of the documentation contain the release notes for any later releases.
 .. toctree::
    :maxdepth: 1
 
+   3.2.23
    3.2.22
    3.2.21
    3.2.20