It appears that the official chrome webstore extension by Rob W is outdated. It was last updated in 2019. 

done();
}
gulp.task(
  "web",
  gulp.series(
    "generic",
    "generic-legacy",
    "jsdoc",
    ghPagesPrepare,
    "wintersmith",
    ghPagesGit
  )
);
function packageJson() {
  const VERSION = getVersionJSON().version;
  const DIST_NAME = "pdfjs-dist";
  const DIST_DESCRIPTION = "Generic build of Mozilla's PDF.js library.";
  const DIST_KEYWORDS = ["Mozilla", "pdf", "pdf.js"];
  const DIST_HOMEPAGE = "http://mozilla.github.io/pdf.js/";
  const DIST_BUGS_URL = "https://github.com/mozilla/pdf.js/issues";
  const DIST_LICENSE = "Apache-2.0";
  const npmManifest = {
    name: DIST_NAME,
    version: VERSION,
    main: "build/pdf.js",
    types: "types/src/pdf.d.ts",
    description: DIST_DESCRIPTION,
    keywords: DIST_KEYWORDS,
    homepage: DIST_HOMEPAGE,
    bugs: DIST_BUGS_URL,