Allow JIRA to login using email and API token

What does this MR do?

JIRA cloud deprecated the use of username and passwords.
Now to integrate with JIRA cloud email/API token are needed and for JIRA server username and password
This merge request update the field labels, placeholders and documentation

What are the relevant issue numbers?

closes #49936 (closed)

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Documentation created/updated
• Tests added for this feature/bug
• Conforms to the code review guidelines
• Conforms to the merge request performance guidelines
• Conforms to the style guides
• Conforms to the database guides