🤖 src/ghes-releases/lib/enterprise-dates.json update (#58093)

Co-authored-by: heiskr <1221423+heiskr@users.noreply.github.com>
Co-authored-by: John Clement <70238417+jclement136@users.noreply.github.com>

Author: 3 people

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

@@ -253,9 +253,9 @@
   },
   "3.18": {
     "releaseDate": "2025-09-03",
-    "deprecationDate": "2026-08-25",
+    "deprecationDate": "2026-10-14",
     "releaseCandidateDate": "2025-09-03",
-    "generalAvailabilityDate": "2025-10-06"
+    "generalAvailabilityDate": "2025-10-14"
   },
   "3.19": {
     "releaseDate": "2025-11-11",