Bump version to 2.4.0 (#458)

* 2.4.0

* update code coverage badge

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: David de Kloet <[email protected]>

Author: github-actions[bot]

README.md

@@ -1,7 +1,7 @@
 # EA Framework v3
 
 [![NPM version](https://img.shields.io/npm/v/@chainlink/external-adapter-framework.svg?style=flat)](https://www.npmjs.com/package/@chainlink/external-adapter-framework)
-![Coverage](https://img.shields.io/badge/coverage-99.11%25-green)
+![Coverage](https://img.shields.io/badge/coverage-99.12%25-green)
 
 Framework to create External adapters, microservices that serve as middleware to facilitate connections between Chainlink Nodes and Data Providers (DP).
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@chainlink/external-adapter-framework",
-  "version": "2.3.0",
+  "version": "2.4.0",
   "main": "dist/index.js",
   "license": "MIT",
   "dependencies": {