Update of ED report from new reffy run

Using reffy commit 20.0.7.

Author: reffy-bot

ed/headings/tc39-temporal.json

@@ -558,9 +558,9 @@
       "number": "3.5.7"
     },
     {
-      "id": "sec-temporal-balanceisodate",
-      "href": "https://tc39.es/proposal-temporal/#sec-temporal-balanceisodate",
-      "title": "BalanceISODate ( year, month, day )",
+      "id": "sec-temporal-adddaystoisodate",
+      "href": "https://tc39.es/proposal-temporal/#sec-temporal-adddaystoisodate",
+      "title": "AddDaysToISODate ( isoDate, days )",
       "level": 3,
       "number": "3.5.8"
     },