Update signed manifest to 7.28.4

manifest.json

@@ -1,11 +1,11 @@
 {
-    "version": "7.23.9",
+    "version": "7.28.4",
-    "released_at": "2026-08-09T23:50:36+00:00",
+    "released_at": "2026-09-02T15:15:16+00:00",
-    "package_url": "https://git-cloud.weboria.eu/Weboria/argus-wp-defence/releases/download/v7.23.9/argus-wordpress-defence-7.23.9.zip",
+    "package_url": "https://git-cloud.weboria.eu/Weboria/argus-wp-defence/releases/download/v7.28.4/argus-wordpress-defence-7.28.4.zip",
-    "sha256": "6e0158429480a6e6945328ec206dc2c11e7f9a0cb3559fa42b6378af32f81f41",
+    "sha256": "cf52ee57ad4a7b8bacebf65311e4aafbcf7ec01b43ce195a88219acf3a05b316",
     "min_php": "7.4",
     "min_wp": "6.0",
     "critical": false,
-    "summary": "Fixed the Firewall and Intelligence pages showing only 43 active rules -- the real number (138) was already fully protecting your site, this only corrects the display.",
+    "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": "2/mbbLtLgwu+xDVCJBkdV4OSqHJuW5Q0DR6W4C40RELwPJzN3JgOe3t9FKh9TJ5LppS8+s9Iolg0wppcd/NYCQ=="
+    "signature": "Se38Rj8baM5nPoudeBAwd890pxtMp4i4RRb16r4j5Hi0hfLrJM7EaOy0kcayrSIUKeNaQl1lkrhToHS6/vjkDA=="
 }