Publish verified 0.7.5 file-delta update using the corrected r2 assets

updates/v0.7.0/stable.json

@@ -1,10 +1,10 @@
-{
-  "schema": 1,
-  "channel": "stable",
-  "version": "0.7.0",
-  "update_baseline": "0.7.0",
-  "published_at": "2026-10-18T07:02:58Z",
-  "manifest_url": "v0.7.0/manifest-v0.7.0.json",
-  "signature_url": "v0.7.0/manifest-v0.7.0.json.minisig",
-  "notes_url": "https://huggingface.co/kigner/audio.cpp-webui/blob/main/updates/v0.7.0/v0.7.0/release-notes.md"
+{
+    "schema":  1,
+    "channel":  "stable",
+    "version":  "0.7.5",
+    "update_baseline":  "0.7.0",
+    "published_at":  "2026-10-24T08:32:44Z",
+    "manifest_url":  "v0.7.5/manifest-v0.7.5-r2.json",
+    "signature_url":  "v0.7.5/manifest-v0.7.5-r2.json.minisig",
+    "notes_url":  "https://github.com/kigner/audio.cpp-webui/releases/tag/v0.7.5"
 }