v147431-stable: Merge pull request #1624 from DFE-Digital/feature/csv-download

Changes:

• 240baaa Merge pull request #1624 from DFE-Digital/feature/csv-download
• 6628587 Merge pull request #1631 from DFE-Digital/dependabot/bundler/rails-erd-1.6.1
• 553eb19 Bump rails-erd from 1.6.0 to 1.6.1
• 55c991b Tweak to GDPR explanation text
• 0acdf59 Added UI for CSV download
• 344fe9b Added CSV export model
• f06ee61 Removed hardcoded creation date on placement requests from bookings factory
• 40a7f68 Added AcademicYear module

This list of changes was auto generated.