[5.1.x] Added stub release notes and release date for 5.1.5, 5.0.11, and 4.2.18.

Backport of 53e21ee from main.

Author: nessita

docs/releases/4.2.18.txt

@@ -0,0 +1,7 @@
+===========================
+Django 4.2.18 release notes
+===========================
+
+*January 14, 2025*
+
+Django 4.2.18 fixes a security issue with severity "moderate" in 4.2.17.

docs/releases/5.0.11.txt

@@ -0,0 +1,7 @@
+===========================
+Django 5.0.11 release notes
+===========================
+
+*January 14, 2025*
+
+Django 5.0.11 fixes a security issue with severity "moderate" in 5.0.10.

docs/releases/5.1.5.txt

@@ -2,9 +2,10 @@
 Django 5.1.5 release notes
 ==========================
 
-*Expected January 7, 2025*
+*January 14, 2025*
 
-Django 5.1.5 fixes several bugs in 5.1.4.
+Django 5.1.5 fixes a security issue with severity "moderate" and several bugs
+in 5.1.4.
 
 Bugfixes
 ========

docs/releases/index.txt

@@ -37,6 +37,7 @@ versions of the documentation contain the release notes for any later releases.
 .. toctree::
    :maxdepth: 1
 
+   5.0.11
    5.0.10
    5.0.9
    5.0.8
@@ -55,6 +56,7 @@ versions of the documentation contain the release notes for any later releases.
 .. toctree::
    :maxdepth: 1
 
+   4.2.18
    4.2.17
    4.2.16
    4.2.15