Docs: update URL in Argument Clinic CLI help text (#113351)

The Argument Clinic docs was moved to the devguide earlier in 2023.

diff --git a/Tools/clinic/clinic.py b/Tools/clinic/clinic.py
index 345459cf2fd623dcdb1043e169500ac11daa5751..45b01a260cb4cbf5d03101ebd16c7b1a9386ac03 100755 (executable)
--- a/Tools/clinic/clinic.py
+++ b/Tools/clinic/clinic.py
@@ -6564,7 +6564,7 @@ The purpose of the Argument Clinic is automating all the boilerplate involved
 with writing argument parsing code for builtins and providing introspection
 signatures ("docstrings") for CPython builtins.
 
-For more information see https://docs.python.org/3/howto/clinic.html""")
+For more information see https://devguide.python.org/development-tools/clinic/""")
     cmdline.add_argument("-f", "--force", action='store_true',
                          help="force output regeneration")
     cmdline.add_argument("-o", "--output", type=str,