upgrade deps

Author: 75lb

.travis.yml

@@ -2,3 +2,4 @@ language: node_js
 node_js:
   - 14
   - 15
+  - 16

README.md

@@ -4,7 +4,6 @@
 [![Gihub package dependents](https://badgen.net/github/dependents-pkg/jsdoc2md/jsdoc-parse)](https://github.com/jsdoc2md/jsdoc-parse/network/dependents?dependent_type=PACKAGE)
 [![Build Status](https://travis-ci.org/jsdoc2md/jsdoc-parse.svg?branch=master)](https://travis-ci.org/jsdoc2md/jsdoc-parse)
 [![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg)](https://github.com/feross/standard)
-[![Join the chat at https://gitter.im/jsdoc2md/jsdoc2md](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/jsdoc2md/jsdoc2md?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
 # jsdoc-parse