Update signed manifest to 7.23.51

manifest.json

@@ -1,11 +1,11 @@
 {
-    "version": "7.23.49",
-    "released_at": "2026-08-13T10:53:46+00:00",
-    "package_url": "https://git-cloud.weboria.eu/Weboria/argus-wp-defence/releases/download/v7.23.49/argus-wordpress-defence-7.23.49.zip",
-    "sha256": "15f149922645b12665d6ff0261bf4ea0432f26bffb735220957cf5794d06e63c",
+    "version": "7.23.51",
+    "released_at": "2026-08-13T11:09:49+00:00",
+    "package_url": "https://git-cloud.weboria.eu/Weboria/argus-wp-defence/releases/download/v7.23.51/argus-wordpress-defence-7.23.51.zip",
+    "sha256": "fbbaab91848b4f1682c3dd4277c154cd559549c8f399ba05742d3f18b62ab545",
     "min_php": "7.4",
     "min_wp": "6.0",
     "critical": false,
-    "summary": "* Closed a way an unauthenticated visitor could still probe usernames through the site's REST API,\n  even with the login page already hardened against this.",
-    "signature": "wX0aZAPFwvx4nnzAykVrqVNvGZcBN8gZUuuZkNtSqssYUaJm58jNmRGiYCK7TK0DyqYfuo64CbWVlefh458wDg=="
+    "summary": "* Fixed the previous fix: \"Last Failed Update\" could still briefly show a resolved problem right\n  after updating. It now always matches whatever actually happened most recently.",
+    "signature": "QnMocMElJwur5PFpvVbdVsBDhiMl7UYZEx2gguUEqWJ4sSeQnlX9i2H7dvnqxvaSDKK8yYnSb7o1YPxKqJvvBg=="
 }