Bump @babel/cli from 7.6.2 to 7.6.4

Bumps [@babel/cli](https://github.com/babel/babel) from 7.6.2 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@v7.6.2...v7.6.4)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -18,7 +18,7 @@
     "test:unit": "DEBUG=httpdf:* HTTPDF_DOCUMENTS_SRC=./__tests__/documents HTTPDF_DOCUMENTS_DIST=.build jest"
   },
   "dependencies": {
-    "@babel/cli": "^7.6.2",
+    "@babel/cli": "^7.6.4",
     "@babel/core": "^7.6.4",
     "@babel/plugin-proposal-class-properties": "^7.5.5",
     "@babel/polyfill": "^7.6.0",

yarn.lock

@@ -2,10 +2,10 @@
 # yarn lockfile v1
 
 
-"@babel/cli@^7.6.2":
-  version "7.6.2"
-  resolved "https://registry.yarnpkg.com/@babel/cli/-/cli-7.6.2.tgz#4ce8b5b4b2e4b4c1b7bd841cec62085e2dfc4465"
-  integrity sha512-JDZ+T/br9pPfT2lmAMJypJDTTTHM9ePD/ED10TRjRzJVdEVy+JB3iRlhzYmTt5YkNgHvxWGlUVnLtdv6ruiDrQ==
+"@babel/cli@^7.6.4":
+  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"