fix: import meta-png cjs dependency (#209)

resolves #207

Author: Lyokolux

src/image.utils.ts

@@ -2,7 +2,8 @@ import path from "path";
 import fs from "fs";
 import { PNG, PNGWithMetadata } from "pngjs";
 import sharp from "sharp";
-import { addMetadata, getMetadata } from "meta-png";
+import metaPngPkg from "meta-png";
+const { addMetadata, getMetadata } = metaPngPkg;
 import glob from "glob";
 import { version } from "../package.json";
 import { wasScreenshotUsed } from "./screenshotPath.utils";