Refs #32880 -- Made remaining titles consistent in how-to documents.

Follow up to 22fbebc7444c8974f101c146f0fc18fe64ab48f6.

docs/howto/deployment/index.txt

@@ -1,6 +1,6 @@
-================
-Deploying Django
-================
+====================
+How to deploy Django
+====================
 
 Django is full of shortcuts to make web developers' lives easier, but all
 those tools are of no use if you can't easily deploy your sites. Since Django's

docs/howto/deployment/wsgi/apache-auth.txt

@@ -1,6 +1,6 @@
-=========================================================
-Authenticating against Django's user database from Apache
-=========================================================
+==============================================================
+How to authenticate against Django's user database from Apache
+==============================================================
 
 Since keeping multiple authentication databases in sync is a common problem when
 dealing with Apache, you can configure Apache to authenticate against Django's

docs/howto/static-files/deployment.txt

@@ -1,6 +1,6 @@
-======================
-Deploying static files
-======================
+==========================
+How to deploy static files
+==========================
 
 .. seealso::
 

docs/howto/static-files/index.txt

@@ -1,6 +1,6 @@
-====================================================
-Managing static files (e.g. images, JavaScript, CSS)
-====================================================
+=========================================================
+How to manage static files (e.g. images, JavaScript, CSS)
+=========================================================
 
 Websites generally need to serve additional files such as images, JavaScript,
 or CSS. In Django, we refer to these files as "static files".  Django provides