docs: fix link to parser docs

Author: reconbot

README.md

@@ -20,7 +20,7 @@ We're not against firmware but we're better than it.
 
 ## Quick Answers to Important Questions
 - [**API Docs**](https://node-serialport.github.io/node-serialport/)
-- [Parsers API Docs](https://node-serialport.github.io/parsers/)
+- [Parsers API Docs](https://node-serialport.github.io/utilities/)
 - **For support**, open a [GitHub issue](https://github.com/node-serialport/node-serialport/issues/new).
 - **For discussions, design ideas, and clarifications**, please join our [Gitter chat room](https://gitter.im/EmergingTechnologyAdvisors/node-serialport).
 - **To contribute**, please review our [contribution guide](CONTRIBUTING.md) and [Code of Conduct](CODE_OF_CONDUCT.md). You might want to check out our [roadmap](https://github.com/node-serialport/node-serialport/issues/746). We also have issues tagged ["good first PR"](https://github.com/node-serialport/node-serialport/issues?q=is%3Aissue+is%3Aopen+label%3A%22good+first+pr%22), if you'd like to start somewhere specific. We'll do our best to support you until we merge your PR.
@@ -30,7 +30,7 @@ We're not against firmware but we're better than it.
 ## API Documentation
 
 - [**API Docs**](https://node-serialport.github.io/node-serialport/)
-- [Parsers API Docs](https://node-serialport.github.io/parsers/)
+- [Parsers API Docs](https://node-serialport.github.io/utilities/)
 
 See our [changelog](CHANGELOG.md) for what's new, and our [upgrade guide](UPGRADE_GUIDE.md) for a walk-through on differences between major versions.