Bump cross-env from 6.0.3 to 7.0.2 (#13228)

Bumps [cross-env](https://github.com/kentcdodds/cross-env) from 6.0.3 to 7.0.2.
- [Release notes](https://github.com/kentcdodds/cross-env/releases)
- [Changelog](https://github.com/kentcdodds/cross-env/blob/master/CHANGELOG.md)
- [Commits](https://github.com/kentcdodds/cross-env/compare/v6.0.3...v7.0.2)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

package.json

@@ -83,7 +83,7 @@
     "classnames": "^2.2.5",
     "compression-webpack-plugin": "^3.1.0",
     "copy-webpack-plugin": "^5.1.1",
-    "cross-env": "^6.0.3",
+    "cross-env": "^7.0.2",
     "css-loader": "^3.4.2",
     "cssnano": "^4.1.10",
     "detect-passive-events": "^1.0.2",