Update signed manifest to 7.28.4

manifest.json

@@ -1,11 +1,11 @@
 {
-    "version": "7.23.34",
-    "released_at": "2026-08-12T15:34:17+00:00",
-    "package_url": "https://git-cloud.weboria.eu/Weboria/argus-wp-defence/releases/download/v7.23.34/argus-wordpress-defence-7.23.34.zip",
-    "sha256": "f0290f62814a3893724280fa3d6025b1ad12101901b032fa99a972d0298f272e",
+    "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": "* Overview now shows how many days are left on your active Premium license alongside the\n  renewal/expiry date, matching what the trial state already showed.",
-    "signature": "PLlLm5ggjlbdXIf/gd60TKFXq6nAgyk8MhjcoyBydp68gjSifii0fHvMuMCDlxnRaUyD7hlUYtTWe+EhlQ8AAw=="
+    "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=="
 }