feat[dev]: ✨ placeholder images variety

[MartaPintoTeixeira]

Description

Dev follow up ticket after:
feat[design]: ✨ placeholder images variety
#2128

Placeholder image folder: https://unioninvestment.sharepoint.com/:f:/r/sites/t-4ujc/Freigegebene%20Dokumente/General/Placeholder%20images?csf=1&web=1&e=wvtqQG

If link above does not work please try:
Teams - Solid Design System Community - General - Files (instead of posts) - SolidDS Placeholder images (folder)

Open Questions towards design

• Question1
• Question2

DoR

• Item has been estimated by the team
• Item dependencies have been identified and documented

DoD

• Documentation has been created/updated (if applicable)
• Migration Guide has been created/updated (if applicable)
• Relevant E2E tests (Features, A11y, Bug fixes) are created/updated
• Relevant stories (Features, A11y) are created/updated
• Implementation works successfully on feature branch