Upgrade pytest for 3.14 compatibility

Signed-off-by: tdruez <tdruez@aboutcode.org>

Author: tdruez

setup.cfg

@@ -67,7 +67,7 @@ where = src
 
 [options.extras_require]
 testing =
-    pytest >= 6, != 7.0.0
+    pytest >= 8.0.0
     pytest-xdist >= 2
     aboutcode-toolkit >= 7.0.2
     pycodestyle >= 2.8.0