Update signed manifest to 7.28.4

manifest.json

@@ -1,11 +1,11 @@
 {
-    "version": "7.23.45",
-    "released_at": "2026-08-13T09:44:46+00:00",
-    "package_url": "https://git-cloud.weboria.eu/Weboria/argus-wp-defence/releases/download/v7.23.45/argus-wordpress-defence-7.23.45.zip",
-    "sha256": "7f2623fd01c268fa3a0d19586b060f7dd1c738976353cd6ecb790f3fbed7025c",
+    "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": "* The License page now shows your service connection status (last check-in, next check), plugin\n  version and update status, and a recent license activity history -- all in one place.\n* Hardened license activation against repeated/automated attempts.",
-    "signature": "ef+kWnvZ+NI8WW1MAGfVBXoMlB5Wt/sVA7jwzLvZe8HTqxoegMVj0PxDPveSec6Wqb2dzG9pm/fHSDaLv/7dAw=="
+    "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=="
 }