Browsers that stored cache couldn't load the new images

[kdwk]

What Happened

Browsers that previously visited elementary.io and stored its 'website data' before the release of Odin cannot load the new images, e.g. the new wallpapers for Odin.

Expected Behavior

All browsers should be able to load correct resources

Steps to Reproduce

1. Visit elementary.io before the release of Odin
2. Allow storage of website data
3. Visit the new elementary.io after the release of Odin

Logs

Platform Information