fix: use npm

Author: gajus

package.json

@@ -57,7 +57,7 @@
   },
   "scripts": {
     "benchmark": "ts-node --transpile-only test/benchmark.ts",
-    "build": "pnpm run compile-parser && del-cli ./dist && tsc",
+    "build": "npm run compile-parser && del-cli ./dist && tsc",
     "compile-parser": "nearleyc src/grammar.ne --out ./src/grammar.ts && sed -i '' 's/loc?: number/loc: number/g' src/grammar.ts && sed -i '' 's/@ts-expect-error//g' src/grammar.ts && sed -i '' 's/@ts-ignore//g' src/grammar.ts && eslint --fix src/grammar.ts",
     "dev": "tsc --watch",
     "lint": "eslint ./src ./test && tsc --noEmit",