Bump image-webpack-loader from 5.0.0 to 7.0.1

Bumps [image-webpack-loader](https://github.com/tcoopman/image-webpack-loader) from 5.0.0 to 7.0.1.
- [Release notes](https://github.com/tcoopman/image-webpack-loader/releases)
- [Changelog](https://github.com/tcoopman/image-webpack-loader/blob/master/CHANGELOG.md)
- [Commits](tcoopman/image-webpack-loader@v5.0.0...v7.0.1)

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

Author: dependabot-preview[bot]

package.json

@@ -40,7 +40,7 @@
     "file-loader": "^4.2.0",
     "gh-pages": "^2.1.1",
     "husky": "^3.0.9",
-    "image-webpack-loader": "^5.0.0",
+    "image-webpack-loader": "^7.0.1",
     "jsdoc": "^3.6.3",
     "prettier": "1.18.2",
     "pretty-quick": "^2.0.0",