🤖 docs(README.md): Make travis-ci.org point to travis-ci.com.

These changes were automatically generated by a transform whose code can be found at:
  - https://github.com/aureooms/rejuvenate/blob/f4f2f038c1728370f45204d13b52e4691640a5b4/src/transforms/readme:link-to-travis-ci-com-instead-of-travis-ci-org.js
Please contact the author of the transform if you believe there was an error.

Author: a-flying-potato

README.md

@@ -13,7 +13,7 @@ Parent is [@aureooms/js-bst](https://github.com/aureooms/js-bst).
 
 [![License](https://img.shields.io/github/license/aureooms/js-red-black-tree.svg)](https://raw.githubusercontent.com/aureooms/js-red-black-tree/main/LICENSE)
 [![Version](https://img.shields.io/npm/v/@aureooms/js-red-black-tree.svg)](https://www.npmjs.org/package/@aureooms/js-red-black-tree)
-[![Build](https://img.shields.io/travis/aureooms/js-red-black-tree/main.svg)](https://travis-ci.org/aureooms/js-red-black-tree/branches)
+[![Build](https://img.shields.io/travis/aureooms/js-red-black-tree/main.svg)](https://travis-ci.com/aureooms/js-red-black-tree/branches)
 [![Dependencies](https://img.shields.io/david/aureooms/js-red-black-tree.svg)](https://david-dm.org/aureooms/js-red-black-tree)
 [![Dev dependencies](https://img.shields.io/david/dev/aureooms/js-red-black-tree.svg)](https://david-dm.org/aureooms/js-red-black-tree?type=dev)
 [![GitHub issues](https://img.shields.io/github/issues/aureooms/js-red-black-tree.svg)](https://github.com/aureooms/js-red-black-tree/issues)