benchmark uses modules, can't run as documented

[srl295]

• Are you running the latest version?
• Have you included sample input, output, error, and expected output?
• Have you checked if you are using correct configuration?
• Have you checked the docs for helpful APIs and examples?

Description

Trying to run the benchmark per CONTRIBUTING.md

Input

$ cd benchmark
$ npm i
$ cd ..
$ node benchmark/XmlParser.js
(node:45676) Warning: To load an ES module, set "type": "module" in the package.json or use the .mjs extension.
(Use `node --trace-warnings ...` to show where the warning was created)
/Users/srl295/src/fast-xml-parser/benchmark/XmlParser.js:3
import Benchmark from "benchmark";
^^^^^^

SyntaxError: Cannot use import statement outside a module
    at wrapSafe (node:internal/modules/cjs/loader:1281:20)
    at Module._compile (node:internal/modules/cjs/loader:1321:27)
    at Module._extensions..js (node:internal/modules/cjs/loader:1416:10)
    at Module.load (node:internal/modules/cjs/loader:1208:32)
    at Module._load (node:internal/modules/cjs/loader:1024:12)
    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:174:12)
    at node:internal/main/run_main_module:28:49

Node.js v20.16.0

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[github-actions]

We're glad you find this project helpful. We'll try to address this issue ASAP. You can vist https://solothought.com to know recent features. Don't forget to star this repo.

[srl295]

also CONTRIBUTING has a backslash $ node benchmark\XmlParser.js that should be a forward slash.