build(deps-dev): bump json-schema-ref-parser from 6.1.0 to 7.0.1

Bumps [json-schema-ref-parser](https://github.com/APIDevTools/json-schema-ref-parser) from 6.1.0 to 7.0.1.
- [Release notes](https://github.com/APIDevTools/json-schema-ref-parser/releases)
- [Changelog](https://github.com/APIDevTools/json-schema-ref-parser/blob/master/CHANGELOG.md)
- [Commits](APIDevTools/json-schema-ref-parser@v6.1.0...v7.0.1)

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

Author: dependabot-preview[bot]

package-lock.json

@@ -30,7 +30,7 @@
     "@types/node": "^12.0.2",
     "@types/react-dom": "^16.8.3",
     "jest": "^24.5.0",
-    "json-schema-ref-parser": "^6.1.0",
+    "json-schema-ref-parser": "^7.0.1",
     "ts-jest": "^24.0.0",
     "tslint": "^5.14.0",
     "typescript": "^3.3.4000"