Bump webpack from 4.46.0 to 5.53.0

Bumps [webpack](https://github.com/webpack/webpack) from 4.46.0 to 5.53.0.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](https://github.com/webpack/webpack/compare/v4.46.0...v5.53.0)

---
updated-dependencies:
- dependency-name: webpack
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

jest.config.js

@@ -3,7 +3,7 @@ const path = require('path');
 module.exports = {
   testEnvironment: 'jsdom',
   transform: {
-    '^.+\\.jsx?$': './transformer.js',
+    '^.+\\.jsx?$': ['babel-jest', { rootMode: 'upward' }],
     '^.+\\.jison$': path.resolve(__dirname, './jisonTransformer.js'),
   },
   transformIgnorePatterns: ['/node_modules/(?!dagre-d3-renderer/lib).*\\.js'],