Update signed manifest to 7.28.4

manifest.json

@@ -1,11 +1,11 @@
 {
-    "version": "7.23.21",
-    "released_at": "2026-08-10T15:53:44+00:00",
-    "package_url": "https://git-cloud.weboria.eu/Weboria/argus-wp-defence/releases/download/v7.23.21/argus-wordpress-defence-7.23.21.zip",
-    "sha256": "c7e2d7b874c1dd9028f3be78fdf2963c994f8ff42b51b788aec344eebbac3fe5",
+    "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": "* Fixed the new mobile navigation strip so it's clear there are more sections to scroll to -- it\n  only showed the first few before.\n* Fixed a real cross-browser rendering issue that could make the \"Blocked Requests\" chart appear\n  completely blank on some phones/browsers.\n* The Security Score card is now a clickable link straight to your Findings, and MFA backup codes\n  now display correctly on small screens.\n* Vulnerability status and Firewall Rule Activity now use donut charts and a compact \"all clear\"\n  indicator, consistent with the rest of the dashboard.",
-    "signature": "UHSosdemdVcK6h6w59TKXm+u3CFy3QZlPexGHt5wuec4xOaTs5ea2sFzhEzL2RfBt6Dg4utqVFjKHsSs+GXtBA=="
+    "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=="
 }