[4.1.x] Set date and added stub notes for 4.1.2, 4.0.8, and 3.2.16 releases.

Backport of c2bc71b635 and
f08651c06c from main.

docs/releases/3.2.16.txt

@@ -0,0 +1,9 @@
+===========================
+Django 3.2.16 release notes
+===========================
+
+*October 4, 2022*
+
+Django 3.2.16 fixes a security issue with severity "medium" in 3.2.15.
+
+...

docs/releases/4.0.8.txt

@@ -0,0 +1,9 @@
+==========================
+Django 4.0.8 release notes
+==========================
+
+*October 4, 2022*
+
+Django 4.0.8 fixes a security issue with severity "medium" in 4.0.7.
+
+...

docs/releases/4.1.2.txt

@@ -2,9 +2,10 @@
 Django 4.1.2 release notes
 ==========================
 
-*Expected October 4, 2022*
+*October 4, 2022*
 
-Django 4.1.2 fixes several bugs in 4.1.1.
+Django 4.1.2 fixes a security issue with severity "medium" and several bugs in
+4.1.1.
 
 Bugfixes
 ========

docs/releases/index.txt

@@ -34,6 +34,7 @@ versions of the documentation contain the release notes for any later releases.
 .. toctree::
    :maxdepth: 1
 
+   4.0.8
    4.0.7
    4.0.6
    4.0.5
@@ -48,6 +49,7 @@ versions of the documentation contain the release notes for any later releases.
 .. toctree::
    :maxdepth: 1
 
+   3.2.16
    3.2.15
    3.2.14
    3.2.13