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](https://github.com/babel/babel/compare/v7.6.3...v7.6.4)

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

package-lock.json

@@ -5,9 +5,9 @@
   "requires": true,
   "dependencies": {
     "@babel/cli": {
-      "version": "7.6.3",
-      "resolved": "https://registry.npmjs.org/@babel/cli/-/cli-7.6.3.tgz",
-      "integrity": "sha512-kWKOEeuylpa781yCeA5//eEx1u3WtLZqbi2VWXLKmb3QDPb5T2f7Yk311MK7bvvjR70dluAeiu4VXXsG1WwJsw==",
+      "version": "7.6.4",
+      "resolved": "https://registry.npmjs.org/@babel/cli/-/cli-7.6.4.tgz",
+      "integrity": "sha512-tqrDyvPryBM6xjIyKKUwr3s8CzmmYidwgdswd7Uc/Cv0ogZcuS1TYQTLx/eWKP3UbJ6JxZAiYlBZabXm/rtRsQ==",
       "dev": true,
       "requires": {
         "chokidar": "^2.1.8",
@@ -19,7 +19,7 @@
         "mkdirp": "^0.5.1",
         "output-file-sync": "^2.0.0",
         "slash": "^2.0.0",
-        "source-map": "^0.6.1"
+        "source-map": "^0.5.0"
       },
       "dependencies": {
         "slash": {
@@ -27,6 +27,12 @@
           "resolved": "https://registry.npmjs.org/slash/-/slash-2.0.0.tgz",
           "integrity": "sha512-ZYKh3Wh2z1PpEXWr0MpSBZ0V6mZHAQfYevttO11c51CaWjGTaadiKZ+wVt1PbMlDV5qhMFslpZCemhwOK7C89A==",
           "dev": true
+        },
+        "source-map": {
+          "version": "0.5.7",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+          "dev": true
         }
       }
     },

package.json

@@ -39,7 +39,7 @@
   },
   "dependencies": {},
   "devDependencies": {
-    "@babel/cli": "^7.6.3",
+    "@babel/cli": "^7.6.4",
     "@babel/core": "^7.6.3",
     "@babel/plugin-transform-react-jsx": "^7.3.0",
     "@babel/preset-env": "^7.6.3",