chore: update AUTHORS and CHANGELOG

Author: jstewmon

AUTHORS.rst

@@ -57,3 +57,4 @@ Authors
 * Colin O'Dell - https://github.com/colinodell
 * Ronny Pfannschmidt - https://github.com/RonnyPfannschmidt
 * Christian Fetzer - https://github.com/fetzerch
+* Jonathan Stewmon = https://github.com/jstewmon

CHANGELOG.rst

@@ -2,6 +2,13 @@ Changelog
 =========
 
 
+4.0.1 (2023-03-27)
+------------------
+
+* Skip generating the in-memory coverage report when it will not be used. For example,
+  when ``--cov-report=''`` is used without ``--cov-fail-under``.
+
+
 4.0.0 (2022-09-28)
 ------------------