Update 3.13.6 release date

<python/peps@675d085>

Author: jwodder

pyversion-info-data.json

@@ -259,7 +259,7 @@
         "3.13.3": "2025-04-08",
         "3.13.4": "2025-06-03",
         "3.13.5": "2025-06-11",
-        "3.13.6": "2025-08-05",
+        "3.13.6": "2025-08-06",
         "3.13.7": "2025-10-07",
         "3.13.8": "2025-12-02",
         "3.13.9": "2026-02-03",

pyversion-info-data.v1.json

@@ -1,5 +1,5 @@
 {
-    "last_modified": "2025-07-04T15:11:31+00:00",
+    "last_modified": "2025-08-07T02:19:46+00:00",
     "cpython": {
         "release_dates": {
             "0.9.0": "1991-02-20",
@@ -261,7 +261,7 @@
             "3.13.3": "2025-04-08",
             "3.13.4": "2025-06-03",
             "3.13.5": "2025-06-11",
-            "3.13.6": "2025-08-05",
+            "3.13.6": "2025-08-06",
             "3.13.7": "2025-10-07",
             "3.13.8": "2025-12-02",
             "3.13.9": "2026-02-03",