build(deps): bump css-loader from 6.5.1 to 7.1.2

Bumps [css-loader](https://github.com/webpack-contrib/css-loader) from 6.5.1 to 7.1.2.
- [Release notes](https://github.com/webpack-contrib/css-loader/releases)
- [Changelog](https://github.com/webpack-contrib/css-loader/blob/master/CHANGELOG.md)
- [Commits](webpack-contrib/css-loader@v6.5.1...v7.1.2)

---
updated-dependencies:
- dependency-name: css-loader
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -134,7 +134,7 @@
     "ciaplu": "^2.2.0",
     "cpu-features": "^0.0.10",
     "cross-env": "~7.0.2",
-    "css-loader": "~6.5.0",
+    "css-loader": "~7.1.2",
     "electron-log": "~5.0.1",
     "electron-store": "~8.1.0",
     "electron-updater": "~4.6.5",