Bump image-webpack-loader from 3.6.0 to 8.1.0

Bumps [image-webpack-loader](https://github.com/tcoopman/image-webpack-loader) from 3.6.0 to 8.1.0.
- [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@v3.6.0...v8.1.0)

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

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

package.json

@@ -86,7 +86,7 @@
     "historyjs": "^1.8.0-b2",
     "html-loader": "^0.5.1",
     "html-webpack-plugin": "^2.28.0",
-    "image-webpack-loader": "^3.3.1",
+    "image-webpack-loader": "^8.1.0",
     "jest": "^27.0.4",
     "jest-puppeteer": "^6.0.2",
     "json-loader": "^0.5.7",