Fix 2006/sloane award title

There was a typo which had Homer''s instead of Homer's. This has been
corrected in the tmp/year_prize.numbers, tmp/year_prize.csv,
2006/sloane/.entry.json, 2006/sloane/index.html and years.html files.

2006/sloane/.entry.json

@@ -1,7 +1,7 @@
 {
     "no_comment" : "mandatory comment: because comments were removed from the original JSON spec",
     "entry_JSON_format_version" : "1.1 2024-02-11",
-    "award" : "Homer''s Favorite",
+    "award" : "Homer's Favorite",
     "year" : 2006,
     "dir" : "sloane",
     "entry_id" : "2006_sloane",