Add audit log query API

[david049]

What was changed

Adds audit log query API endpoint

Why?

Checklist

1. Closes

2. How was this tested:

3. Any docs updates needed?

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Note

Introduces an API to retrieve account audit logs with standard pagination and time-range filtering.

• Adds GetAuditLogsRequest/GetAuditLogsResponse in request_response.proto (filters: page_size, page_token, start_time_inclusive, end_time_exclusive; returns auditlog.v1.LogRecord list and next_page_token)
• Imports temporal/api/cloud/auditlog/v1/message.proto
• Exposes GetAuditLogs RPC in service.proto with HTTP GET /cloud/audit-logs and OpenAPI annotations under the "Account" tag

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