Add author and created at for sbom

lib/bom_builder.rb

@@ -21,6 +21,7 @@
 # Copyright (c) OWASP Foundation. All Rights Reserved.
 #
 # frozen_string_literal: true
+
 require 'bundler'
 require 'fileutils'
 require 'json'
@@ -172,7 +173,8 @@ def self.specs_list
         end
       end
 
-      object.author = gem['authors']
+      object.authors = gem['authors']
+      object.created_at = gem['created_at']
       object.description = gem['summary']
       object.hash = gem['sha']
       @gems.push(object)

lib/bom_component.rb

@@ -9,6 +9,8 @@ def initialize(gem)
     @description = gem['description']
     @hash = gem['hash']
     @purl = gem['purl']
+    @authors = gem['authors']
+    @created_at = gem['created_at']
     @gem = gem
   end
 
@@ -18,6 +20,8 @@ def hash_val
       "name": @name,
       "version": @version,
       "description": @description,
+      "authors": @authors,
+      "created_at": @created_at,
       "purl": @purl,
       "hashes": [
           "alg": HASH_ALG,