Change log for IBM_WEBSEAL

Date Changes
2025-03-03 Enhancement:
- Mapped "src_host" to "principal.hostname"
- Mapped "src_app" to "principal.application"
- Mapped "network_method" to "network.http.method"
- Mapped "dst_url" to "target.url"
- Mapped "app_protocol" to "additional.fields"
- Mapped "res_code" to "network.http.response_code"
- Mapped "sent_bytes" to "network.sent_bytes"
- Mapped "rec_bytes" to "network.received_bytes"
- Mapped "app_proto" to "network.application_protocol"
- Mapped "src_port" to "principal.port"
- Mapped "dst_host" to "target.hostname"
- Mapped "level" to "security_result.severity"
- Mapped "error" to "target.resource.attribute.labels"
- Mapped "description" to "security_result.description"
- Mapped "operation" to "target.user.attribute.labels"
- Mapped "username" to "target.user.userid"
- Mapped "authSourceCode" to "additional.fields"
- Mapped "accountValid" to "additional.fields"
- Mapped "passwordValid" to "additional.fields"
- Mapped "hashedPassword" to "additional.fields"
- Mapped "registryDn" to "target.user.attribute.labels"
- Mapped "secUserDn" to "target.resource.attribute.labels"
- Mapped "passwordResetAllowed" to "additional.fields"
- Mapped "nonExpiringPassword" to "additional.fields"
- Mapped "customPasswordPolicy" to "additional.fields"
- Mapped "authSource" to "additional.fields".
2024-01-22 Enhancement: Added Grok patterns to support new format of logs.
2023-11-17 Newly created parser.