[3.9] Update URLs in comments and metadata to use HTTPS (GH-27458) (GH-27480)

(cherry picked from commit be42c06bb0)

Co-authored-by: Noah Kantrowitz <noah@coderanger.net>

Modules/_cursesmodule.c

@@ -35,7 +35,7 @@
 
   A number of SysV or ncurses functions don't have wrappers yet; if you
   need a given function, add it and send a patch.  See
-  http://www.python.org/dev/patches/ for instructions on how to submit
+  https://www.python.org/dev/patches/ for instructions on how to submit
   patches to Python.
 
   Here's a list of currently unsupported functions:

Modules/_elementtree.c

@@ -1,6 +1,6 @@
 /*--------------------------------------------------------------------
  * Licensed to PSF under a Contributor Agreement.
- * See http://www.python.org/psf/license for licensing details.
+ * See https://www.python.org/psf/license for licensing details.
  *
  * _elementtree - C accelerator for xml.etree.ElementTree
  * Copyright (c) 1999-2009 by Secret Labs AB.  All rights reserved.

Modules/_winapi.c

@@ -32,7 +32,7 @@
  */
 
 /* Licensed to PSF under a Contributor Agreement. */
-/* See http://www.python.org/2.4/license for licensing details. */
+/* See https://www.python.org/2.4/license for licensing details. */
 
 #include "Python.h"
 #include "structmember.h"         // PyMemberDef

Modules/gc_weakref.txt

@@ -47,7 +47,7 @@ soon as we execute Python code, threads other than the gc thread can run
 too, and they can do ordinary things with weakrefs that end up resurrecting
 CT while gc is running.
 
-    http://www.python.org/sf/1055820
+    https://www.python.org/sf/1055820
 
 shows how innocent it can be, and also how nasty.  Variants of the three
 focussed test cases attached to that bug report are now part of Python's