Fix labels of two winners.

Anders Kaare Straadt had two labels, one of them wrong.

Participants:
Anders_Kaare_Straadt: label straadt
Anders_Kaare_Straadt: label anders
Sebastian Macke: label macke

The fix is the following:
dir anders -> fix dir to macke and fix author
dir straat -> fix author

2024/straadt/.entry.json

@@ -9,7 +9,7 @@
     "abstract" : "layered music generator",
     "author_set" : [
         {
-            "author_handle" : "Sebastian_Macke"
+            "author_handle" : "Anders_Kaare_Straadt"
         }
     ],
     "manifest" : [