Fixed #1 - Fixed the whatsnew-** script for loading release notes into builds

Added test to ensure that release notes are parsed properly
Updated to latest dependencies to fix security vulnerability
Updated GH Actions Workflow to run test before updating tag
Updated README.md to reflect proper whatsnew documentation.

node_modules/abab/CHANGELOG.md

@@ -1,24 +1,36 @@
+## 2.0.3
+
+-   Use standard wording for BSD-3-Clause license (@PhilippWendler)
+
+## 2.0.2
+
+-   Correct license in `package.json` (@Haegin)
+
+## 2.0.1
+
+-   Add TypeScript type definitions, thanks to @LinusU
+
 ## 2.0.0
 
 Modernization updates thanks to @TimothyGu:
 
-- Use jsdom's eslint config, remove jscs
-- Move syntax to ES6
-- Remove Babel
-- Via: https://github.com/jsdom/abab/pull/26
+-   Use jsdom's eslint config, remove jscs
+-   Move syntax to ES6
+-   Remove Babel
+-   Via: https://github.com/jsdom/abab/pull/26
 
 ## 1.0.4
 
-- Added license file
+-   Added license file
 
 ## 1.0.3
 
-- Replaced `let` with `var` in `lib/btoa.js`
-  - Follow up from `1.0.2`
-  - Resolves https://github.com/jsdom/abab/issues/18
+-   Replaced `let` with `var` in `lib/btoa.js`
+    -   Follow up from `1.0.2`
+    -   Resolves https://github.com/jsdom/abab/issues/18
 
 ## 1.0.2
 
-- Replaced `const` with `var` in `index.js`
-  - Allows use of `abab` in the browser without a transpilation step
-  - Resolves https://github.com/jsdom/abab/issues/15
+-   Replaced `const` with `var` in `index.js`
+    -   Allows use of `abab` in the browser without a transpilation step
+    -   Resolves https://github.com/jsdom/abab/issues/15