Updated the files.

my-app/node_modules/karma-chrome-launcher/tools/update-contributors.js

@@ -0,0 +1,25 @@
+// From https://github.com/karma-runner/karma/blob/master/tools/update-contributors.js
+// When modifying this file also modify upstream.
+const { execSync } = require('child_process')
+const { readFileSync, writeFileSync } = require('fs')
+const { resolve } = require('path')
+
+const prepare = async (pluginConfig, { logger }) => {
+  // Example output:
+  //   1042  Vojta Jina <vojta.jina@gmail.com>
+  //    412  Friedel Ziegelmayer <friedel.ziegelmayer@gmail.com>
+  //    206  dignifiedquire <friedel.ziegelmayer@gmail.com>
+  //    139  johnjbarton <johnjbarton@johnjbarton.com>
+  const stdout = execSync('git log --pretty=short | git shortlog -nse', { encoding: 'utf8' })
+
+  const pkgPath = resolve(__dirname, '..', 'package.json')
+  const pkg = JSON.parse(readFileSync(pkgPath, 'utf8'))
+
+  // First line is already included as author field. Last line is dropped as it is an empty line.
+  pkg.contributors = stdout.split('\n').slice(1, -1).map((line) => line.replace(/^[\W\d]+/, ''))
+  writeFileSync(pkgPath, JSON.stringify(pkg, undefined, '  ') + '\n', 'utf8')
+
+  logger.info('Updated contributors list.')
+}
+
+module.exports = { prepare }