fix: preserve the year in default conference end dates

public/asset-manifest.json

@@ -1,6 +1,6 @@
 {
   "core.min.js": "core.6332b3c288.min.js",
-  "vendor.min.js": "vendor.a26a4223c6.min.js",
+  "vendor.min.js": "vendor.bc507e5015.min.js",
   "mermaid.min.js": "mermaid.f848a72d16.min.js",
   "all.min.css": "all.99ce8f3e14.min.css"
 }

public/script/app.js

@@ -3484,7 +3484,7 @@ angular
       const start = new Date();
       start.setDate(1);
       start.setMonth(start.getMonth() + 1);
-      const end = new Date();
+      const end = new Date(start);
       end.setMonth(start.getMonth() + 7, 0);
       $scope.options = {
         startDate: start,