build(deps): Bump @babel/traverse from 7.6.3 to 7.7.0 (#1823)

Bumps [@babel/traverse](https://github.com/babel/babel) from 7.6.3 to 7.7.0.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](babel/babel@v7.6.3...v7.7.0)

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

packages/javascript-mutator/package.json

@@ -39,7 +39,7 @@
   "dependencies": {
     "@babel/generator": "~7.7.0",
     "@babel/parser": "~7.7.0",
-    "@babel/traverse": "~7.6.2",
+    "@babel/traverse": "~7.7.0",
     "@stryker-mutator/api": "^2.1.0",
     "lodash.clonedeep": "^4.5.0",
     "tslib": "~1.10.0"