Add support for Python 3.12 (#180)

docs/readme/header.rst

@@ -4,9 +4,9 @@ application is fully supported under Linux, macOS, and Windows.
 
 This product is supported by the Cybersecurity Development team at the 
 University of Illinois, on a best-effort basis. The expected End-of-Life
-and End-of-Support dates of this version are October of 2025, the same as
+and End-of-Support date of this version is October 2028, the same as
 its primary dependencies: the AWS CLI and 
-`Python V3.9 <https://www.python.org/dev/peps/pep-0596/#lifespan>`_.
+`Python V3.12 <https://peps.python.org/pep-0693/#lifespan>`_.
 
 .. |--| unicode:: U+2013   .. en dash
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