Update URLs in comments and metadata to use HTTPS (GH-27458) (GH-27478)

(cherry picked from commit be42c06bb01206209430f3ac08b72643dc7cad1c)

Co-authored-by: Noah Kantrowitz <noah@coderanger.net>
diff --git a/Lib/xml/etree/ElementInclude.py b/Lib/xml/etree/ElementInclude.py
index 5303062..40a9b22 100644
--- a/Lib/xml/etree/ElementInclude.py
+++ b/Lib/xml/etree/ElementInclude.py
@@ -42,7 +42,7 @@
 # --------------------------------------------------------------------
 
 # 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.
 
 ##
 # Limited XInclude support for the ElementTree package.