Use older Python version for click-man

Until it gains Python 3.12 support.

Signed-off-by: Stephen Finucane <stephen@that.guru>

Author: stephenfin

tox.ini

@@ -50,6 +50,9 @@ commands =
   sphinx-build {posargs:-E -W} docs docs/_build/html
 
 [testenv:man]
+# Does not currently support Python 3.12
+# https://github.com/click-contrib/click-man/pull/64
+basepython = 3.11
 deps =
   click-man~=0.4.0
 commands =