Keep h3 on 0.7.21

Author: shauns

packages/app/package.json

@@ -65,7 +65,7 @@
     "esbuild": "0.24.0",
     "express": "4.21.2",
     "graphql-request": "5.2.0",
-    "h3": "0.8.6",
+    "h3": "0.7.21",
     "http-proxy": "1.18.1",
     "ignore": "6.0.2",
     "proper-lockfile": "4.1.2",