Update signed manifest to 7.28.4

manifest.json

@@ -1,11 +1,11 @@
 {
-    "version": "7.23.35",
-    "released_at": "2026-08-12T15:40:08+00:00",
-    "package_url": "https://git-cloud.weboria.eu/Weboria/argus-wp-defence/releases/download/v7.23.35/argus-wordpress-defence-7.23.35.zip",
-    "sha256": "916fd18d2b3527dd20627c0552ddb3c1d983da96ea9acb78653fe5ad58213a2d",
+    "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 days-remaining on Overview now shows as the same visual countdown ring the License\n  page already uses, not just plain text.",
-    "signature": "VM0quBH9S7rLgOc7WOdkXCeis8LxpBWjvDDUWSaMk84UVZLm5pD9ud7tOlbYJimgOsbrpOx7SkAmh/eTVk8FAw=="
+    "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=="
 }