fix(eslint): apply patch of DoS vulnerability (#270)

This project has vulnerabilities that could not be fixed, or were patched when no upgrade was available. Good news, new upgrades or patches have now been published! This pull request fixes vulnerable dependencies you couldn’t previously address.

The PR includes:

- Changes to `package.json` to upgrade the vulnerable dependencies to a fixed version.


#### Vulnerabilities that will be fixed

##### With an upgrade:
- [npm:eslint:20180222](https://snyk.io/vuln/npm:eslint:20180222)


You can read more about Snyk's upgrade and patch logic in [Snyk's documentation](https://snyk.io/docs/using-snyk/).

Note that this pull request only addresses vulnerabilities that previously had no fixes. See the [Snyk test report](https://snyk.io/test/github/gregswindle/eslint-plugin-crc/HEAD) to review and remediate the full list of vulnerable dependencies.

Check the changes in this PR to ensure they won't cause issues with your project.

Stay secure,
The Snyk team

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-->