Update RFC 0389 ready-for-release PR URL

Ember.js RFCS CI · Ember.js RFCS CI · commit 77ff6b99feb7 · 2024-10-28T14:25:15.000Z
diff --git a/text/0389-dynamic-tag-names.md b/text/0389-dynamic-tag-names.md
@@ -7,6 +7,7 @@ teams:
   - framework
 prs:
   accepted: 'https://github.com/emberjs/rfcs/pull/389'
+  ready-for-release: 'https://github.com/emberjs/rfcs/pull/1049'
 project-link:
 meta:
   tracking: 'https://github.com/emberjs/rfc-tracking/issues/42'
