chore(deps-dev): bump css-loader in /superset-frontend (#17977)

Bumps [css-loader](https://github.com/webpack-contrib/css-loader) from 6.2.0 to 6.5.1.
- [Release notes](https://github.com/webpack-contrib/css-loader/releases)
- [Changelog](https://github.com/webpack-contrib/css-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/css-loader/compare/v6.2.0...v6.5.1)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

superset-frontend/package-lock.json

@@ -29145,9 +29145,9 @@
       }
     },
     "node_modules/css-loader": {
-      "version": "6.2.0",
-      "resolved": "https://registry.npmjs.org/css-loader/-/css-loader-6.2.0.tgz",
-      "integrity": "sha512-/rvHfYRjIpymZblf49w8jYcRo2y9gj6rV8UroHGmBxKrIyGLokpycyKzp9OkitvqT29ZSpzJ0Ic7SpnJX3sC8g==",
+      "version": "6.5.1",
+      "resolved": "https://registry.npmjs.org/css-loader/-/css-loader-6.5.1.tgz",
+      "integrity": "sha512-gEy2w9AnJNnD9Kuo4XAP9VflW/ujKoS9c/syO+uWMlm5igc7LysKzPXaDoR2vroROkSwsTS2tGr1yGGEbZOYZQ==",
       "dev": true,
       "dependencies": {
         "icss-utils": "^5.1.0",
@@ -82991,9 +82991,9 @@
       }
     },
     "css-loader": {
-      "version": "6.2.0",
-      "resolved": "https://registry.npmjs.org/css-loader/-/css-loader-6.2.0.tgz",
-      "integrity": "sha512-/rvHfYRjIpymZblf49w8jYcRo2y9gj6rV8UroHGmBxKrIyGLokpycyKzp9OkitvqT29ZSpzJ0Ic7SpnJX3sC8g==",
+      "version": "6.5.1",
+      "resolved": "https://registry.npmjs.org/css-loader/-/css-loader-6.5.1.tgz",
+      "integrity": "sha512-gEy2w9AnJNnD9Kuo4XAP9VflW/ujKoS9c/syO+uWMlm5igc7LysKzPXaDoR2vroROkSwsTS2tGr1yGGEbZOYZQ==",
       "dev": true,
       "requires": {
         "icss-utils": "^5.1.0",