chore: swap cpx with cpy (#1356)

Author: Mkassabov

alchemy/package.json

@@ -18,7 +18,7 @@
     "build": "rm -rf ./*.tsbuildinfo && rm -rf ./lib && tsc -b && tsdown",
     "dev": "tsdown --watch",
     "drizzle:generate": "bun run scripts/drizzle-generate.ts",
-    "postbuild": "cpx 'src/**/*/types.d.ts' lib && cpx 'src/**/*.txt' lib",
+    "postbuild": "(cpy '**/*.d.ts' ../lib --cwd=src || true) && (cpy '**/*.txt' ../lib --cwd=src || true)",
     "publish:npm": "cp ../README.md . && bun run build && tsdown && bun publish && rm README.md"
   },
   "files": [
@@ -313,7 +313,7 @@
     "braintrust": "^0.0.201",
     "capnweb": "^0.4.0",
     "cojson-core-wasm": "^0.18.16",
-    "cpx": "^1.5.0",
+    "cpy-cli": "^7.0.0",
     "debug": "^4.4.1",
     "dofs": "^0.1.0",
     "drizzle-kit": "^0.31.8",