Update apps.json for ProSign v2.5.1d

Author: github-actions[bot]

apps.json

@@ -20,6 +20,16 @@
         "https://raw.githubusercontent.com/ProStore-iOS/ProSign/refs/heads/main/gallery/Screenshot5.png"
       ],
       "versions": [
+        {
+          "version": "2.5.1d",
+          "date": "2025-10-14T06:49:05+0000",
+          "localizedDescription": "What's new in Version 2.5.1d?\n- Update to debug version v2.5.1d\n- Update README.md\n- Update README.md\n- Enhance CertStatus with raw status numbers\n- Debug version\n- Debug update",
+          "downloadURL": "https://github.com/ProStore-iOS/ProSign/releases/download/v2.5.1d/com.prostoreios.prosign-unsigned-ios.ipa",
+          "size": 3736561,
+          "sha256": "b805937f5fe7297c6d24c6fca503b54d714278c254b83af5a7ad00ce92d709cf",
+          "minOSVersion": "16.0",
+          "fullDate": "20251014064905"
+        },
         {
           "version": "2.5.0",
           "date": "2025-10-13T06:11:55+0000",