build(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>

yarn.lock

@@ -3,9 +3,9 @@
 
 
 "@babel/cli@^7.5.5":
-  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"
@@ -15,7 +15,7 @@
     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"
 
@@ -10227,7 +10227,7 @@ source-map-url@^0.4.0:
   resolved "https://registry.yarnpkg.com/source-map-url/-/source-map-url-0.4.0.tgz#3e935d7ddd73631b97659956d55128e87b5084a3"
   integrity sha1-PpNdfd1zYxuXZZlW1VEo6HtQhKM=
 
-source-map@^0.5.3, source-map@^0.5.6:
+source-map@^0.5.0, source-map@^0.5.3, source-map@^0.5.6:
   version "0.5.7"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
   integrity sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=