This is a:

• ✨ New feature - new behaviour has been implemented
• 🐛 Bug fix - existing behaviour has been made to behave
• ♻️ Refactor - the behaviour has not changed, just the implementation
• ✅ Test backfill - tests for existing behaviour were added but the behaviour itself hasn't changed
• ⚙️ Chore - maintenance task, behaviour and implementation haven't changed

Description

form-data needs to be upgraded to ^4.0.4.
This cannot be done (safely) with react-scripts, so need to move to Vite, which is already in ADR0002 and Migrate client app from CRA to Vite
#850.

• Purpose
  Enhance security and future maintenance.

• How to check -
  Run and test the form.

Links

Fix 'form-data uses unsafe random function' security vulnerability
#1102

Author checklist

• I have written a title that reflects the relevant ticket
• I have written a description that says what the PR does and how to validate it
• I have linked to the project board ticket (and any related PRs/issues) in the Links section
• I have added a link to this PR to the ticket
• I have made the PR to qa from a branch named <category>/<name>, e.g. feature/edit-spaceships or bugfix/restore-oxygen
• I have completed the manual tests described here
• I have requested reviewers here and in my team chat channel

• I have spoken with my PM or TL about any parts of this task that may have become out-of-scope, or any additional improvements that I now realise may benefit my project
• I have added tests, or new tests were not required
• I have updated any documentation (e.g. diagrams, schemas), or documentation updates were not required