chore(deps): bump loader-utils and ejs-loader

Bumps [loader-utils](https://github.com/webpack/loader-utils) to 2.0.4 and updates ancestor dependency [ejs-loader](https://github.com/difelice/ejs-loader). These dependencies need to be updated together.


Updates `loader-utils` from 0.2.17 to 2.0.4
- [Release notes](https://github.com/webpack/loader-utils/releases)
- [Changelog](https://github.com/webpack/loader-utils/blob/v2.0.4/CHANGELOG.md)
- [Commits](webpack/loader-utils@v0.2.17...v2.0.4)

Updates `ejs-loader` from 0.3.7 to 0.5.0
- [Release notes](https://github.com/difelice/ejs-loader/releases)
- [Commits](https://github.com/difelice/ejs-loader/commits/v0.5.0)

---
updated-dependencies:
- dependency-name: loader-utils
  dependency-type: indirect
- dependency-name: ejs-loader
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -73,7 +73,7 @@
     "css-loader": "^6.7.1",
     "csv-loader": "^3.0.2",
     "del": "^6.0.0",
-    "ejs-loader": "^0.3.0",
+    "ejs-loader": "^0.5.0",
     "eslint": "^5.4.0",
     "event-stream": "^4.0.1",
     "file-loader": "^6.2.0",