CCM-13475: Send print events

[simonlabarere]

Description

Create new Print Sender component that triggers a Letter Prepared Event to be eventually passed to the Supplier API from a Letter Analysed Event.

Contains changes from #174 to pull packages from GitHub.

Note: When merging main, @nhsdigital/nhs-notify-event-schemas-supplier-api was updated to 1.0.10, which introduces a breaking change requiring billingRef in the events. As this change is not yet supported, the dependency has been temporarily pinned to 1.0.6.

Test evidence

Print Sender logs

Event Bus logs

Input Letter Analysed event + Output Letter Prepared event

Event is published to the cross domain event bus

Type of changes

• Refactoring (non-breaking change)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would change existing functionality)
• Bug fix (non-breaking change which fixes an issue)

Checklist

• I am familiar with the contributing guidelines
• I have followed the code style of the project
• I have added tests to cover my changes
• I have updated the documentation accordingly
• This PR is a result of pair or mob programming
• If I have used the 'skip-trivy-package' label I have done so responsibly and in the knowledge that this is being fixed as part of a separate ticket/PR.

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Sensitive Information Declaration

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• I confirm that neither PII/PID nor sensitive data are included in this PR and the codebase changes.