Bump cross-env from 7.0.2 to 7.0.3

Bumps [cross-env](https://github.com/kentcdodds/cross-env) from 7.0.2 to 7.0.3.
- [Release notes](https://github.com/kentcdodds/cross-env/releases)
- [Changelog](https://github.com/kentcdodds/cross-env/blob/master/CHANGELOG.md)
- [Commits](kentcdodds/cross-env@v7.0.2...v7.0.3)

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

package.json

@@ -37,7 +37,7 @@
   },
   "dependencies": {
     "compression": "^1.7.4",
-    "cross-env": "^7.0.2",
+    "cross-env": "^7.0.3",
     "errorhandler": "^1.5.1",
     "express": "^4.17.1",
     "express-sitemap": "^1.8.0",