Update signed manifest to 7.28.4

manifest.json

@@ -1,11 +1,11 @@
 {
-    "version": "7.23.48",
-    "released_at": "2026-08-13T10:52:35+00:00",
-    "package_url": "https://git-cloud.weboria.eu/Weboria/argus-wp-defence/releases/download/v7.23.48/argus-wordpress-defence-7.23.48.zip",
-    "sha256": "50e2391f7f1f3cf36f0b7097c38b569ec12a0cc9bfe388329f767f5548edf543",
+    "version": "7.28.4",
+    "released_at": "2026-09-02T15:15:16+00:00",
+    "package_url": "https://git-cloud.weboria.eu/Weboria/argus-wp-defence/releases/download/v7.28.4/argus-wordpress-defence-7.28.4.zip",
+    "sha256": "cf52ee57ad4a7b8bacebf65311e4aafbcf7ec01b43ce195a88219acf3a05b316",
     "min_php": "7.4",
     "min_wp": "6.0",
     "critical": false,
-    "summary": "* Hardened login against username enumeration: a failed login attempt now always shows the same\n  generic message, whether or not the username you tried actually exists on this site.",
-    "signature": "hr5xP0f7D3U/BJ6a9nsGIyKtZFIrg7ljsENNaY1+oEpaA7iWCmEmFMvJRkQ6iMCAxBlMH4qIqaPWoGuI6qLaCw=="
+    "summary": "* Fixed a bug where a brute-force login attack that ARGUS had already blocked could keep showing\n  as an active finding and unnecessarily lower your Security Score, even though the attack was\n  already stopped. Blocked attacks are now correctly marked as automatically handled.",
+    "signature": "Se38Rj8baM5nPoudeBAwd890pxtMp4i4RRb16r4j5Hi0hfLrJM7EaOy0kcayrSIUKeNaQl1lkrhToHS6/vjkDA=="
 }