fix date format

Author: sfewer-r7

modules/exploits/multi/http/cleo_rce_cve_2024_55956.rb

@@ -32,7 +32,7 @@ def initialize(info = {})
           ['URL', 'https://www.rapid7.com/blog/post/2024/12/10/etr-widespread-exploitation-of-cleo-file-transfer-software-cve-2024-50623/'], # Rapid7 Blog
           ['URL', 'https://www.huntress.com/blog/threat-advisory-oh-no-cleo-cleo-software-actively-being-exploited-in-the-wild'] # Huntress Blog
         ],
-        'DisclosureDate' => '2024-12-9',
+        'DisclosureDate' => '2024-12-09',
         'Platform' => %w[java win linux unix],
         'Arch' => [ARCH_JAVA, ARCH_CMD],
         'Privileged' => true, # 'NT AUTHORITY\SYSTEM' on Windows. On Linux it depends how the product was installed.