chore(deps-dev): bump concurrently from 6.2.0 to 6.2.1 (#1460)

Bumps [concurrently](https://github.com/open-cli-tools/concurrently) from 6.2.0 to 6.2.1.
- [Release notes](https://github.com/open-cli-tools/concurrently/releases)
- [Commits](open-cli-tools/concurrently@v6.2.0...v6.2.1)

---
updated-dependencies:
- dependency-name: concurrently
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -101,7 +101,7 @@
     "babel-plugin-transform-replace-expressions": "0.2.0",
     "babel-polyfill": "6.26.0",
     "chroma-js": "2.1.2",
-    "concurrently": "6.2.0",
+    "concurrently": "6.2.1",
     "copyfiles": "2.4.1",
     "cross-env": "7.0.3",
     "enzyme": "3.11.0",