chore(deps-dev): bump cross-env from 5.2.1 to 6.0.0

Bumps [cross-env](https:/kentcdodds/cross-env) from 5.2.1 to 6.0.0.
- [Release notes](https:/kentcdodds/cross-env/releases)
- [Changelog](https:/kentcdodds/cross-env/blob/master/CHANGELOG.md)
- [Commits](kentcdodds/cross-env@v5.2.1...v6.0.0)

Signed-off-by: dependabot-preview[bot] <[email protected]>

package.json

@@ -138,7 +138,7 @@
  "chai-as-promised": "^7.0.0",
  "codecov": "^3.5.0",
  "commitizen": "^3.1.1",
- "cross-env": "^5.2.1",
+ "cross-env": "^6.0.0",
  "cz-customizable": "^6.2.0",
  "eslint": "^6.4.0",
  "eslint-config-airbnb-base": "^14.0.0",

yarn.lock

@@ -2637,12 +2637,12 @@ 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@^5.2.1:
- version "5.2.1"
- resolved "https://registry.yarnpkg.com/cross-env/-/cross-env-5.2.1.tgz#b2c76c1ca7add66dc874d11798466094f551b34d"
- integrity sha512-1yHhtcfAd1r4nwQgknowuUNfIT9E8dOMMspC36g45dN+iD1blloi7xp8X/xAIDnjHWyt1uQ8PHk2fkNaym7soQ==
+cross-env@^6.0.0:
+ version "6.0.0"
+ resolved "https://registry.yarnpkg.com/cross-env/-/cross-env-6.0.0.tgz#3c8e71440ea20aa6faaf5aec541235efc565dac6"
+ integrity sha512-G/B6gtkjgthT8AP/xN1wdj5Xe18fVyk58JepK8GxpUbqcz3hyWxegocMbvnZK+KoTslwd0ACZ3woi/DVUdVjyQ==
  dependencies:
- cross-spawn "^6.0.5"
+ cross-spawn "^7.0.0"
 
 cross-spawn-promise@^0.10.1:
  version "0.10.1"