Update ci-tests-data/run-tests.md

Co-authored-by: Nick Murphy <[email protected]>

Author: lwasser

ci-tests-data/run-tests.md

@@ -185,10 +185,10 @@ import nox
 
 # The syntax below allows you to use mamba / conda as your environment manager, if you use this approach you don’t have to worry about installing different versions of Python
 
-@nox.session(venv_backend='mamba', python=["3.9", "3.10", "3.11"])
+@nox.session(venv_backend='mamba', python=["3.9", "3.10", "3.11", "3.12"])
 def test_mamba(session):
     """Nox function that installs dev requirements and runs
-    tests on Python 3.9 through 3.11
+    tests on Python 3.9 through 3.12
     """
 
     # Install dev requirements