Bump cross-env from 5.2.0 to 5.2.1

Bumps [cross-env](https://github.com/kentcdodds/cross-env) from 5.2.0 to 5.2.1.
- [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/v5.2.0...v5.2.1)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

yarn.lock

@@ -2436,12 +2436,11 @@ 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 "5.2.0"
-  resolved "https://registry.yarnpkg.com/cross-env/-/cross-env-5.2.0.tgz#6ecd4c015d5773e614039ee529076669b9d126f2"
-  integrity sha512-jtdNFfFW1hB7sMhr/H6rW1Z45LFqyI431m3qU6bFXcQ3Eh7LtBuG3h74o7ohHZ3crrRkkqHlo4jYHFPcjroANg==
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/cross-env/-/cross-env-5.2.1.tgz#b2c76c1ca7add66dc874d11798466094f551b34d"
+  integrity sha512-1yHhtcfAd1r4nwQgknowuUNfIT9E8dOMMspC36g45dN+iD1blloi7xp8X/xAIDnjHWyt1uQ8PHk2fkNaym7soQ==
   dependencies:
     cross-spawn "^6.0.5"
-    is-windows "^1.0.0"
 
 cross-spawn@^3.0.0:
   version "3.0.1"
@@ -4945,7 +4944,7 @@ is-valid-glob@^1.0.0:
   resolved "https://registry.yarnpkg.com/is-valid-glob/-/is-valid-glob-1.0.0.tgz#29bf3eff701be2d4d315dbacc39bc39fe8f601aa"
   integrity sha1-Kb8+/3Ab4tTTFdusw5vDn+j2Aao=
 
-is-windows@^1.0.0, is-windows@^1.0.1, is-windows@^1.0.2:
+is-windows@^1.0.1, is-windows@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-windows/-/is-windows-1.0.2.tgz#d1850eb9791ecd18e6182ce12a30f396634bb19d"
   integrity sha512-eXK1UInq2bPmjyX6e3VHIzMLobc4J94i4AWn+Hpq3OU5KkrRC96OAcR3PRJ/pGu6m8TRnBHP9dkXQVsT/COVIA==