chore(manifest): update manifest [skip ci]

Author: github-actions[bot]

manifest/version.json

@@ -2,7 +2,7 @@
   "manifest_version": 1,
   "latest": {
     "mihomo": "v1.19.29",
-    "mihomo_alpha": "alpha-7ac597b",
+    "mihomo_alpha": "alpha-cd05b74",
     "clash_rs": "v0.10.8",
     "chimera_client": "v0.24.3",
     "clash_premium": "2023-09-05-gdcc8d87",
@@ -82,5 +82,5 @@
       "linux-armv7hf": "clash-rs-armv7-unknown-linux-gnueabihf"
     }
   },
-  "updated_at": "2026-08-01T23:09:06.866Z"
+  "updated_at": "2026-08-02T23:08:46.536Z"
 }