[SDPTA-1357] Add FTP_JIRA_EMAIL and FTP_JIRA_API_TOKEN secrets

[tim-yao]

https://digital-vic.atlassian.net/browse/SDPTA-1357

Add email var for FTP JIRA auth

[Copilot]

Pull Request Overview

This PR adds JIRA email authentication support for FTP integration by introducing FTP_JIRA_EMAIL and FTP_JIRA_API_TOKEN environment variables to replace the existing API_TOKEN_FTP_JIRA secret.

• Replaces single API token with email and API token pair for JIRA authentication
• Updates GitHub Actions workflow environment variables for FTP JIRA integration

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