Bump eslint-loader from 3.0.4 to 4.0.2

Bumps [eslint-loader](https://github.com/webpack-contrib/eslint-loader) from 3.0.4 to 4.0.2.
- [Release notes](https://github.com/webpack-contrib/eslint-loader/releases)
- [Changelog](https://github.com/webpack-contrib/eslint-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/eslint-loader/compare/v3.0.4...v4.0.2)

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

package.json

@@ -84,7 +84,7 @@
 		"eslint": "^6.8.0",
 		"eslint-config-standard": "^12.0.0",
 		"eslint-friendly-formatter": "^4.0.1",
-		"eslint-loader": "^3.0.4",
+		"eslint-loader": "^4.0.2",
 		"eslint-plugin-import": "^2.22.1",
 		"eslint-plugin-node": "^11.1.0",
 		"eslint-plugin-promise": "^4.2.1",