Update signed manifest to 7.28.3

manifest.json

@@ -1,11 +1,11 @@
 {
-    "version": "7.25.1",
-    "released_at": "2026-08-14T12:17:36+00:00",
-    "package_url": "https://git-cloud.weboria.eu/Weboria/argus-wp-defence/releases/download/v7.25.1/argus-wordpress-defence-7.25.1.zip",
-    "sha256": "2ea36113dd3261169ec9e8c9d3cfc24331dfeced415126212cf5184f851e753f",
+    "version": "7.28.3",
+    "released_at": "2026-08-26T09:17:12+00:00",
+    "package_url": "https://git-cloud.weboria.eu/Weboria/argus-wp-defence/releases/download/v7.28.3/argus-wordpress-defence-7.28.3.zip",
+    "sha256": "31aadccb8d21e69de528dd613e350ec749352edcf7bd4ebbf8e3d7bd2a8c9ee5",
     "min_php": "7.4",
     "min_wp": "6.0",
     "critical": false,
-    "summary": "* The Overview dashboard's Recent Firewall Activity panel now updates live and shows a clear\n  explanation of what each protection number actually means, with a legend on every chart.\n* Fixed a login-security finding that could show a misleadingly low failure count.\n* Simplified some technical labels (\"Local WAF\" is now just \"WAF\").",
-    "signature": "tQvKU4ladvrHVUSSH+hLMLEE79IAgg7MNC2T1pPse1HRZOpNyYTbMWvpQ29Z70U/EYrixJu+aoD1hCAjZHxzBQ=="
+    "summary": "* Fixed \"Run a scan now\" occasionally not returning to the Scanner page after starting a scan.\n* Scan errors (for example, a scan already in progress) are now shown clearly instead of the\n  button silently doing nothing.\n* Improved the reliability of scheduled protection tasks (scans, threat intelligence updates,\n  and firewall enforcement) so they keep running even in unusual hosting situations.",
+    "signature": "7QJWy1HleCIno5q5rG3WtkLfJqxmMdZfwJR9l326emfNAmbpOcaB2WJk9+o/OWuNXEcuHNOHkIFNaCwo9K1YCQ=="
 }