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/core/lib/command.d.ts

@@ -5,12 +5,12 @@ interface CommandProperties {
  * Commands
  *
  * Command Format:
- *   ##[name key=value;key=value]message
+ *   ::name key=value,key=value::message
  *
  * Examples:
- *   ##[warning]This is the user warning message
- *   ##[set-secret name=mypassword]definatelyNotAPassword!
+ *   ::warning::This is the message
+ *   ::set-env name=MY_VAR::some value
  */
 export declare function issueCommand(command: string, properties: CommandProperties, message: string): void;
-export declare function issue(name: string, message: string): void;
+export declare function issue(name: string, message?: string): void;
 export {};