CIV-16322 added new event to notify caseworker to take case offline

[deepthidoppalapudihmcts]

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• [ x] commit messages are meaningful and follow good commit message guidelines
• [x ] README and other documentation has been updated / added (if needed)
• [ x] tests have been updated / new tests has been added (if needed)

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JIRA link (if applicable)

https://tools.hmcts.net/jira/browse/CIV-16322

Change description

Work allocation task for caseworker to take case offline when CML of GA is updated

Does this PR introduce a breaking change? (check one with "x")

[ ] Yes
[x ] No

[github-actions]

This pull request has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[github-actions]

This pull request has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.