Bump cross-env from 6.0.3 to 7.0.0 (#30094)

Bumps [cross-env](https://github.com/kentcdodds/cross-env) from 6.0.3 to 7.0.0.
- [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...v7.0.0)

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

package-lock.json

@@ -3073,12 +3073,12 @@
       }
     },
     "cross-env": {
-      "version": "6.0.3",
-      "resolved": "https://registry.npmjs.org/cross-env/-/cross-env-6.0.3.tgz",
-      "integrity": "sha512-+KqxF6LCvfhWvADcDPqo64yVIB31gv/jQulX2NGzKS/g3GEVz6/pt4wjHFtFWsHMddebWD/sDthJemzM4MaAag==",
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/cross-env/-/cross-env-7.0.0.tgz",
+      "integrity": "sha512-rV6M9ldNgmwP7bx5u6rZsTbYidzwvrwIYZnT08hSGLcQCcggofgFW+sNe7IhA1SRauPS0QuLbbX+wdNtpqE5CQ==",
       "dev": true,
       "requires": {
-        "cross-spawn": "^7.0.0"
+        "cross-spawn": "^7.0.1"
       }
     },
     "cross-spawn": {

package.json

@@ -102,7 +102,7 @@
     "babel-plugin-istanbul": "^6.0.0",
     "bundlesize": "^0.18.0",
     "clean-css-cli": "^4.3.0",
-    "cross-env": "^6.0.3",
+    "cross-env": "^7.0.0",
     "eslint": "^6.8.0",
     "eslint-config-xo": "^0.27.2",
     "eslint-plugin-import": "^2.20.0",