🤖 src/ghes-releases/lib/enterprise-dates.json update (#59711)

Co-authored-by: github-merge-queue <118344674+github-merge-queue@users.noreply.github.com>

Author: docs-bot

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

@@ -264,9 +264,9 @@
     "generalAvailabilityDate": "2025-12-09"
   },
   "3.20": {
-    "releaseDate": "2026-02-17",
+    "releaseDate": "2026-02-24",
     "deprecationDate": "2027-03-17",
-    "releaseCandidateDate": "2026-02-17",
+    "releaseCandidateDate": "2026-02-24",
     "generalAvailabilityDate": "2026-03-17"
   },
   "3.21": {