build(deps-dev): bump cross-env from 6.0.3 to 7.0.0

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.json

@@ -139,7 +139,7 @@
     "chai-as-promised": "^7.0.0",
     "codecov": "^3.6.1",
     "commitizen": "^4.0.3",
-    "cross-env": "^6.0.3",
+    "cross-env": "^7.0.0",
     "cz-customizable": "^6.2.0",
     "eslint": "^6.8.0",
     "eslint-config-airbnb-base": "^14.0.0",

yarn.lock

@@ -2909,12 +2909,12 @@ create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4:
     safe-buffer "^5.0.1"
     sha.js "^2.4.8"
 
-cross-env@^6.0.3:
-  version "6.0.3"
-  resolved "https://registry.yarnpkg.com/cross-env/-/cross-env-6.0.3.tgz#4256b71e49b3a40637a0ce70768a6ef5c72ae941"
-  integrity sha512-+KqxF6LCvfhWvADcDPqo64yVIB31gv/jQulX2NGzKS/g3GEVz6/pt4wjHFtFWsHMddebWD/sDthJemzM4MaAag==
+cross-env@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/cross-env/-/cross-env-7.0.0.tgz#5a3b2ddce51ec713ea58f2fb79ce22e65b4f5479"
+  integrity sha512-rV6M9ldNgmwP7bx5u6rZsTbYidzwvrwIYZnT08hSGLcQCcggofgFW+sNe7IhA1SRauPS0QuLbbX+wdNtpqE5CQ==
   dependencies:
-    cross-spawn "^7.0.0"
+    cross-spawn "^7.0.1"
 
 cross-spawn-promise@^0.10.1:
   version "0.10.1"