Fix domains

Author: th-rst-n

data/past-editions.json

@@ -5,22 +5,22 @@
         "venue": "University of Copenhagen",
         "location": "Copenhagen, Denmark",
         "date": "April 9–11",
-        "url" : "https://satml.org/2025"
+        "url" : "https://satml.org/2025/"
     },
     {
         "year": 2024,
         "image": "images/past/2024.jpg",
         "venue": "University of Toronto",
         "location": "Toronto, Canada",
         "date": "April 9–11",
-        "url" : "https://satml.org/2024"
+        "url" : "https://satml.org/2024/"
     },
     {
         "year": 2023,
         "image": "images/past/2023.jpg",
         "venue": "Hilton Raleigh North Hills",
         "location": "Raleigh, United States",
         "date": "February 8–10",
-        "url" : "https://satml.org/2023"
+        "url" : "https://satml.org/2023/"
     }
 ]