Bump concurrently from 5.1.0 to 6.2.0 (#16)

Bumps [concurrently](https://github.com/kimmobrunfeldt/concurrently) from 5.1.0 to 6.2.0.
- [Release notes](https://github.com/kimmobrunfeldt/concurrently/releases)
- [Commits](https://github.com/kimmobrunfeldt/concurrently/compare/v5.1.0...v6.2.0)

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

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

package.json

@@ -39,7 +39,7 @@
     "@types/node": "^16.4.1",
     "@typescript-eslint/parser": "^4.28.4",
     "@zeit/ncc": "^0.22.1",
-    "concurrently": "^5.1.0",
+    "concurrently": "^6.2.0",
     "eslint": "^7.31.0",
     "eslint-plugin-github": "^4.1.1",
     "eslint-plugin-jest": "^24.4.0",