message: build(ci): Add es6 bundle to size-limit
diff: module.exports = [
  {
  - name: '@sentry/browser - CDN Bundle (gzipped)',
  + name: '@sentry/browser - ES5 CDN Bundle (gzipped + minified)',
  path: 'packages/browser/build/bundle.min.js',
  gzip: true,
  limit: '100 KB',
  },
  {
  - name: '@sentry/browser - CDN Bundle (minified)',
  + name: '@sentry/browser - ES5 CDN Bundle (minified)',
  path: 'packages/browser/build/bundle.min.js',
  gzip: false,
  limit: '120 KB',
  },
  {
  - name: '@sentry/browser - Webpack',
  + name: '@sentry/browser - ES6 CDN Bundle (gzipped + minified)',
  + path: 'packages/browser/build/bundle.es6.min.js',
  + gzip: true,
  + limit: '100 KB',
  + },
  + {
  + name: '@sentry/browser - ES6 CDN Bundle (minified)',
  + path: 'packages/browser/build/bundle.es6.min.js',
  + gzip: false,
  + limit: '120 KB',
  + },
  + {
  + name: '@sentry/browser - Webpack (gzipped + minified)',
  path: 'packages/browser/esm/index.js',
  import: '{ init }',
  + gzip: true,
  limit: '100 KB',
  },
  {
  - name: '@sentry/browser - Webpack - gzip = false',
  + name: '@sentry/browser - Webpack (minified)',
  path: 'packages/browser/esm/index.js',
  import: '{ init }',
  gzip: false,
  limit: '100 KB',
  },
  {
  - name: '@sentry/react - Webpack',
  + name: '@sentry/react - Webpack (gzipped + minified)',
  path: 'packages/react/esm/index.js',
  import: '{ init }',
  + gzip: true,
  + limit: '100 KB',
  + },
  + {
  + name: '@sentry/react - Webpack (gzipped + minified)',
  + path: 'packages/react/esm/index.js',
  + import: '{ init }',
  + gzip: true,
  limit: '100 KB',
  },
  {
  - name: '@sentry/nextjs Client - Webpack',
  + name: '@sentry/nextjs Client - Webpack (gzipped + minified)',
  path: 'packages/nextjs/esm/index.client.js',
  import: '{ init }',
  + gzip: true,
  limit: '100 KB',
  },
  {
  - name: '@sentry/browser + @sentry/tracing - CDN Bundle (gzipped)',
  + name: '@sentry/browser + @sentry/tracing - ES5 CDN Bundle (gzipped + minified)',
  path: 'packages/tracing/build/bundle.tracing.min.js',
  gzip: true,
  limit: '100 KB',
  