Change log for IBM_OPENPAGES

Date Changes
2024-10-10 Enhancement:
- Dropped the header which is getting parsed as a log.
- Mapped target_user to target.user.userid and target_role to target.user.attribute.roles.name.
2024-10-07 Enhancement:
- When logon successful?=No then mapped security_result.action as BLOCK.
- When logon successful?=No then mapped security_result.action_details as Logon Failed.
- Mapped IBM_OPENPAGES to metadata.vendor_name.
- Mapped IBM_OPENPAGES to metadata.product_name.
2024-09-10 - Changed column6 mapping from target.user.userid to principal.user.userid.
- Mapped OpenPages to metadata.product_name and IBM to metadata.vendor_name.
2024-08-02 - Newly created parser.