Draft: Use DaVinci master in 2024-patches slot

It was discussed at the PAC that DaVinci may not need the 2024-patches branch.

/cc @nskidmor

lhcbnightlyconf/Patches.py

@@ -87,6 +87,7 @@ SPECIAL_VERSIONS = {
         "LCG": LCG_DEFAULT_VERSION,
         "Gaudi": DEFAULT_GAUDI_VERSION,
         "Online": "master",
+        "DaVinci": "master",
     }
 }