Bump css-loader from 6.7.2 to 6.7.3

Bumps [css-loader](https://github.com/webpack-contrib/css-loader) from 6.7.2 to 6.7.3.
- [Release notes](https://github.com/webpack-contrib/css-loader/releases)
- [Changelog](https://github.com/webpack-contrib/css-loader/blob/master/CHANGELOG.md)
- [Commits](webpack/css-loader@v6.7.2...v6.7.3)

---
updated-dependencies:
- dependency-name: css-loader
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package-lock.json

@@ -27,7 +27,7 @@
     "browser-sync": "2.27.11",
     "chokidar": "3.5.3",
     "concurrently": "7.6.0",
-    "css-loader": "6.7.2",
+    "css-loader": "6.7.3",
     "css-minimizer-webpack-plugin": "4.2.2",
     "html-minifier": "4.0.0",
     "mini-css-extract-plugin": "2.7.2",