docs: update badge name (cloudevents#289)

Signed-off-by: Grant Timmerman <[email protected]>

Author: grant

README.md

@@ -3,7 +3,7 @@
 [![Codacy Badge](https://api.codacy.com/project/badge/Grade/bd66e7c52002481993cd6d610534b0f7)](https://www.codacy.com/app/fabiojose/sdk-javascript?utm_source=github.com&utm_medium=referral&utm_content=cloudevents/sdk-javascript&utm_campaign=Badge_Grade)
 [![Codacy Badge](https://api.codacy.com/project/badge/Coverage/bd66e7c52002481993cd6d610534b0f7)](https://www.codacy.com/app/fabiojose/sdk-javascript?utm_source=github.com&utm_medium=referral&utm_content=cloudevents/sdk-javascript&utm_campaign=Badge_Coverage)
 ![Node.js CI](https://github.com/cloudevents/sdk-javascript/workflows/Node.js%20CI/badge.svg)
-[![npm version](https://img.shields.io/npm/v/cloudevents-sdk.svg)](https://www.npmjs.com/package/cloudevents-sdk)
+[![npm version](https://img.shields.io/npm/v/cloudevents.svg)](https://www.npmjs.com/package/cloudevents)
 [![vulnerabilities](https://snyk.io/test/github/cloudevents/sdk-javascript/badge.svg)](https://snyk.io/test/github/cloudevents/sdk-javascript)
 
 The CloudEvents SDK for JavaScript.