Bump cross-env from 5.1.4 to 5.2.0

Bumps [cross-env](https://github.com/kentcdodds/cross-env) from 5.1.4 to 5.2.0.
- [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/v5.1.4...v5.2.0)
Signed-off-by: dependabot[bot] <support@dependabot.com>

yarn.lock

@@ -2153,11 +2153,11 @@ create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4:
     sha.js "^2.4.8"
 
 cross-env@^5.1.4:
-  version "5.1.4"
-  resolved "https://registry.yarnpkg.com/cross-env/-/cross-env-5.1.4.tgz#f61c14291f7cc653bb86457002ea80a04699d022"
-  integrity sha512-Mx8mw6JWhfpYoEk7PGvHxJMLQwQHORAs8+2bX+C1lGQ4h3GkDb1zbzC2Nw85YH9ZQMlO0BHZxMacgrfPmMFxbg==
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/cross-env/-/cross-env-5.2.0.tgz#6ecd4c015d5773e614039ee529076669b9d126f2"
+  integrity sha512-jtdNFfFW1hB7sMhr/H6rW1Z45LFqyI431m3qU6bFXcQ3Eh7LtBuG3h74o7ohHZ3crrRkkqHlo4jYHFPcjroANg==
   dependencies:
-    cross-spawn "^5.1.0"
+    cross-spawn "^6.0.5"
     is-windows "^1.0.0"
 
 cross-spawn@^3.0.0:
@@ -2168,7 +2168,7 @@ cross-spawn@^3.0.0:
     lru-cache "^4.0.1"
     which "^1.2.9"
 
-cross-spawn@^5.0.1, cross-spawn@^5.1.0:
+cross-spawn@^5.0.1:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-5.1.0.tgz#e8bd0efee58fcff6f8f94510a0a554bbfa235449"
   integrity sha1-6L0O/uWPz/b4+UUQoKVUu/ojVEk=
@@ -2177,7 +2177,7 @@ cross-spawn@^5.0.1, cross-spawn@^5.1.0:
     shebang-command "^1.2.0"
     which "^1.2.9"
 
-cross-spawn@^6.0.0:
+cross-spawn@^6.0.0, cross-spawn@^6.0.5:
   version "6.0.5"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-6.0.5.tgz#4a5ec7c64dfae22c3a14124dbacdee846d80cbc4"
   integrity sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==