Add Python 3.9.25 release date and update 3.9 EOL date

<python/peps@b6adf80>

Author: jwodder

pyversion-info-data.json

@@ -209,6 +209,7 @@
         "3.9.22": "2025-04-08",
         "3.9.23": "2025-06-03",
         "3.9.24": "2025-10-09",
+        "3.9.25": "2025-10-31",
         "3.10.0": "2021-10-04",
         "3.10.1": "2021-12-06",
         "3.10.2": "2022-01-14",
@@ -302,7 +303,7 @@
         "3.6": "2021-12-23",
         "3.7": "2023-06-27",
         "3.8": "2024-10-07",
-        "3.9": "2025-10-01",
+        "3.9": "2025-10-31",
         "3.10": "2026-10-01",
         "3.11": "2027-10-01",
         "3.12": "2028-10-01",

pyversion-info-data.v1.json

@@ -1,5 +1,5 @@
 {
-    "last_modified": "2025-10-16T21:10:27+00:00",
+    "last_modified": "2025-10-31T20:13:12+00:00",
     "cpython": {
         "release_dates": {
             "0.9.0": "1991-02-20",
@@ -211,6 +211,7 @@
             "3.9.22": "2025-04-08",
             "3.9.23": "2025-06-03",
             "3.9.24": "2025-10-09",
+            "3.9.25": "2025-10-31",
             "3.10.0": "2021-10-04",
             "3.10.1": "2021-12-06",
             "3.10.2": "2022-01-14",
@@ -304,7 +305,7 @@
             "3.6": "2021-12-23",
             "3.7": "2023-06-27",
             "3.8": "2024-10-07",
-            "3.9": "2025-10-01",
+            "3.9": "2025-10-31",
             "3.10": "2026-10-01",
             "3.11": "2027-10-01",
             "3.12": "2028-10-01",