Replace old link for hacking

kajinamit · kajinamit · commit a7e327244c77 · 2024-10-22T14:08:15.000+09:00
... by the new one currently used in the other repos.

Change-Id: Ia4b544a05b4bce8040ba26049489a42ced4129e0
diff --git a/HACKING.rst b/HACKING.rst
@@ -2,7 +2,7 @@ Magnum Style Commandments
 =========================
 
 - Step 1: Read the OpenStack Style Commandments
-  http://docs.openstack.org/developer/hacking/
+  https://docs.openstack.org/hacking/latest/
 - Step 2: Read on
 
 Magnum Specific Commandments
