Add rake task to list contact details for forms

[stephencdaly]

What problem does this pull request solve?

Trello card: https://trello.com/c/5kOcStfB/

Adding this as a quick way to get the contact details for a list of form IDs.

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• Does it work when run on your machine?
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• Do the commit messages explain why the changes were made?
• Are there all the unit tests needed?
• Do the end to end tests need updating before these changes will pass?
• Has all relevant documentation been updated?

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[github-actions]

🎉 A review copy of this PR has been deployed! You can reach it at: https://pr-2546.admin.review.forms.service.gov.uk/

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