Change log for VELO_FIREWALL

Date Changes
2024-10-10 Enhancement:
- Mapped "action" field from log to "security_result.action_details".
- If "action" is "Allow", then set "security_result.action as "ALLOW".
2024-09-12 Enhancement:
- Modified the Grok pattern to parse unparsed logs.
2024-06-30 - Newly created parser.