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/@actions/io/README.md

@@ -0,0 +1,53 @@
+# `@actions/io`
+
+> Core functions for cli filesystem scenarios
+
+## Usage
+
+#### mkdir -p
+
+Recursively make a directory. Follows rules specified in [man mkdir](https://linux.die.net/man/1/mkdir) with the `-p` option specified:
+
+```js
+const io = require('@actions/io');
+
+await io.mkdirP('path/to/make');
+```
+
+#### cp/mv
+
+Copy or move files or folders. Follows rules specified in [man cp](https://linux.die.net/man/1/cp) and [man mv](https://linux.die.net/man/1/mv):
+
+```js
+const io = require('@actions/io');
+
+// Recursive must be true for directories
+const options = { recursive: true, force: false }
+
+await io.cp('path/to/directory', 'path/to/dest', options);
+await io.mv('path/to/file', 'path/to/dest');
+```
+
+#### rm -rf
+
+Remove a file or folder recursively. Follows rules specified in [man rm](https://linux.die.net/man/1/rm) with the `-r` and `-f` rules specified.
+
+```js
+const io = require('@actions/io');
+
+await io.rmRF('path/to/directory');
+await io.rmRF('path/to/file');
+```
+
+#### which
+
+Get the path to a tool and resolves via paths. Follows the rules specified in [man which](https://linux.die.net/man/1/which).
+
+```js
+const exec = require('@actions/exec');
+const io = require('@actions/io');
+
+const pythonPath: string = await io.which('python', true)
+
+await exec.exec(`"${pythonPath}"`, ['main.py']);
+```