Update signed manifest to 7.28.4

manifest.json

@@ -1,11 +1,11 @@
 {
-    "version": "7.25.5",
-    "released_at": "2026-08-14T13:14:46+00:00",
-    "package_url": "https://git-cloud.weboria.eu/Weboria/argus-wp-defence/releases/download/v7.25.5/argus-wordpress-defence-7.25.5.zip",
-    "sha256": "9af1683780394f5dac4bbb9915e8bf1aa174e0093444c56e0b84b91d93e04113",
+    "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 Threats page's summary tiles: each number now comes with a plain-language\n  explanation, and Malicious IPs / Security Events show a breakdown of what's behind each count.",
-    "signature": "lumGsvNZ7tY8PUAs/LCVF76YiI0cuaVB/bcKXd5IMSyY2wNm2/4esxLgA4qf0DLcTuk5r5F9odZZIrl/8BFQAA=="
+    "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=="
 }