chore: update deps, remove coveralls, fix audit issues (#5555)

build/grunt.js

@@ -54,16 +54,6 @@ module.exports = function(grunt) {
        dest: 'dist/video-js-' + version.full + '.zip'
      }
    },
    coveralls: {
      options: {
        // warn instead of failing when coveralls errors
        // we've seen coveralls 503 relatively frequently
        force: true
      },
      all: {
        src: 'test/dist/coverage/lcov.info'
      }
    },
    concurrent: {
      options: {
        logConcurrentOutput: true
@@ -207,7 +197,6 @@ module.exports = function(grunt) {
  // Default task - build and test
  grunt.registerTask('default', ['test']);

  // The test script includes coveralls only when the TRAVIS env var is set.
  grunt.registerTask('test', function() {
    const tasks = [
      'build',
@@ -223,8 +212,6 @@ module.exports = function(grunt) {
        grunt.log.write('Not running any tests because only docs were changed');
        return;
      }

      tasks.concat(process.env.TRAVIS && 'coveralls').filter(Boolean);
    }

    grunt.task.run(tasks);