Update signed manifest to 7.28.4

manifest.json

@@ -1,11 +1,11 @@
 {
-    "version": "7.25.4",
-    "released_at": "2026-08-14T13:05:22+00:00",
-    "package_url": "https://git-cloud.weboria.eu/Weboria/argus-wp-defence/releases/download/v7.25.4/argus-wordpress-defence-7.25.4.zip",
-    "sha256": "daa7917112928ea22ff621688a105ad86186861451024fb94d1497d8de8fa392",
+    "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": "* Redesigned the Firewall page's summary tiles: each number now comes with a plain-language\n  explanation of what it means, and Malicious IPs shows a breakdown of where those blocks came\n  from.",
-    "signature": "k5NFlZDtESSPsKYggpXRNoVGDjoeWb1Mvy3Qb+nMiyyQUW+kXas3Gvb/7Pxnqsrp61vYHa5SrhA5zzsfuGBZDQ=="
+    "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=="
 }