build(deps-dev): 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>

Author: dependabot[bot]

package-lock.json

@@ -65,7 +65,7 @@
   },
   "devDependencies": {
     "chokidar": "^3.4.3",
-    "cross-env": "^7.0.2",
+    "cross-env": "^7.0.3",
     "delay-cli": "^1.1.0",
     "faucet": "0.0.1",
     "linkinator": "^2.5.1",