refactor: Move deployment files to .github/deploy

.github/deploy/devbox.json

@@ -1,11 +1,6 @@
 {
   "$schema": "https://raw.githubusercontent.com/jetify-com/devbox/0.13.7/.schema/devbox.schema.json",
-  "packages": [
-    "go@latest",
-    "cargo@latest",
-    "uv@latest",
-    "bun@latest"
-  ],
+  "packages": ["go@latest", "cargo@latest", "uv@latest", "bun@latest"],
   "env": {
     "PATH": "$HOME/.cargo/bin:$HOME/go/bin:$HOME/.local/bin:$HOME/.bun/bin:$PATH",
     "GITHUB_TOKEN": "$GITHUB_TOKEN",
@@ -16,9 +11,7 @@
   "shell": {
     "init_hook": [],
     "scripts": {
-      "test": [
-        "echo \"Error: no test specified\" && exit 1"
-      ]
+      "test": ["echo \"Error: no test specified\" && exit 1"]
     }
   }
 }