🤖 src/ghes-releases/lib/enterprise-dates.json update (#56264)

Co-authored-by: heiskr <1221423+heiskr@users.noreply.github.com>

Author: docs-bot

src/ghes-releases/lib/enterprise-dates.json

@@ -149,7 +149,7 @@
   },
   "3.13": {
     "releaseDate": "2024-05-16",
-    "deprecationDate": "2025-06-04"
+    "deprecationDate": "2025-06-19"
   },
   "3.14": {
     "releaseDate": "2024-08-06",