Update README.md site with dependencies seems to be down

Site seems to be down 

alanshaw/david#182

README.md

@@ -1,7 +1,7 @@
 <p align="center">
     <img src="/migrate-mongo-logo.png" alt="migrate-mongo database migration tool for Node.js"/>
 
-[![Build Status](https://img.shields.io/travis/seppevs/migrate-mongo.svg?style=flat)](https://travis-ci.org/seppevs/migrate-mongo) [![Coverage Status](https://coveralls.io/repos/github/seppevs/migrate-mongo/badge.svg?branch=master)](https://coveralls.io/r/seppevs/migrate-mongo) [![NPM](https://img.shields.io/npm/v/migrate-mongo.svg?style=flat)](https://www.npmjs.org/package/migrate-mongo) [![Downloads](https://img.shields.io/npm/dm/migrate-mongo.svg?style=flat)](https://www.npmjs.org/package/migrate-mongo) [![Dependencies](https://david-dm.org/seppevs/migrate-mongo.svg)](https://david-dm.org/seppevs/migrate-mongo) [![Known Vulnerabilities](https://snyk.io/test/github/seppevs/migrate-mongo/badge.svg)](https://snyk.io/test/github/seppevs/migrate-mongo)
+[![Build Status](https://img.shields.io/travis/seppevs/migrate-mongo.svg?style=flat)](https://travis-ci.org/seppevs/migrate-mongo) [![Coverage Status](https://coveralls.io/repos/github/seppevs/migrate-mongo/badge.svg?branch=master)](https://coveralls.io/r/seppevs/migrate-mongo) [![NPM](https://img.shields.io/npm/v/migrate-mongo.svg?style=flat)](https://www.npmjs.org/package/migrate-mongo) [![Downloads](https://img.shields.io/npm/dm/migrate-mongo.svg?style=flat)](https://www.npmjs.org/package/migrate-mongo) [![Known Vulnerabilities](https://snyk.io/test/github/seppevs/migrate-mongo/badge.svg)](https://snyk.io/test/github/seppevs/migrate-mongo)
 
 [![tippin.me](https://badgen.net/badge/%E2%9A%A1%EF%B8%8Ftippin.me/@seppevs/F0918E)](https://tippin.me/@seppevs)