Update signed manifest to 7.28.4

manifest.json

@@ -1,11 +1,11 @@
 {
-    "version": "7.23.11",
+    "version": "7.28.4",
-    "released_at": "2026-08-10T00:59:46+00:00",
+    "released_at": "2026-09-02T15:15:16+00:00",
-    "package_url": "https://git-cloud.weboria.eu/Weboria/argus-wp-defence/releases/download/v7.23.11/argus-wordpress-defence-7.23.11.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": "d4b0140f8c4504243f56e7865aef10f69aaf682b6741fd08037080924ecf941e",
+    "sha256": "cf52ee57ad4a7b8bacebf65311e4aafbcf7ec01b43ce195a88219acf3a05b316",
     "min_php": "7.4",
     "min_wp": "6.0",
     "critical": false,
-    "summary": "Two-Factor Authentication now has its own dedicated \"Argus Defence MFA\" page and shows a real scannable QR code during setup -- no more typing in a long setup key by hand unless you want to.",
+    "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": "5od6TBygXj4A9Rr180b9Yu3whNMqeLEyATCGx8/0t1Ez51NnnhlUrxriolV1tehnikMNIWhSo8UoLqSUuzITBA=="
+    "signature": "Se38Rj8baM5nPoudeBAwd890pxtMp4i4RRb16r4j5Hi0hfLrJM7EaOy0kcayrSIUKeNaQl1lkrhToHS6/vjkDA=="
 }