chore(deps-dev): bump @babel/cli from 7.6.3 to 7.6.4

Bumps [@babel/cli](https://github.com/babel/babel) from 7.6.3 to 7.6.4. - [Release notes](https://github.com/babel/babel/releases) - [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md) - [Commits](babel/babel@v7.6.3...v7.6.4) Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]

yarn.lock

@@ -70,9 +70,9 @@
  glob-all "^3.1.0"
 
 "@babel/cli@^7.5.0":
- version "7.6.3"
- resolved "https://registry.yarnpkg.com/@babel/cli/-/cli-7.6.3.tgz#1b0c62098c8a5e01e4a4a59a52cba9682e7e0906"
- integrity sha512-kWKOEeuylpa781yCeA5//eEx1u3WtLZqbi2VWXLKmb3QDPb5T2f7Yk311MK7bvvjR70dluAeiu4VXXsG1WwJsw==
+ version "7.6.4"
+ resolved "https://registry.yarnpkg.com/@babel/cli/-/cli-7.6.4.tgz#9b35a4e15fa7d8f487418aaa8229c8b0bc815f20"
+ integrity sha512-tqrDyvPryBM6xjIyKKUwr3s8CzmmYidwgdswd7Uc/Cv0ogZcuS1TYQTLx/eWKP3UbJ6JxZAiYlBZabXm/rtRsQ==
  dependencies:
  commander "^2.8.1"
  convert-source-map "^1.1.0"
@@ -82,7 +82,7 @@
  mkdirp "^0.5.1"
  output-file-sync "^2.0.0"
  slash "^2.0.0"
- source-map "^0.6.1"
+ source-map "^0.5.0"
  optionalDependencies:
  chokidar "^2.1.8"