Update frontend to 20240304.0

[piitaya]

https://github.com/home-assistant/frontend/releases/tag/20240304.0

NEEDS: https://github.com/home-assistant/frontend/actions/runs/8143582824

[home-assistant]

Hey there @home-assistant/frontend, mind taking a look at this pull request as it has been labeled with an integration (frontend) you are listed as a code owner for? Thanks!

Code owner commands

Code owners of frontend can trigger bot actions by commenting:

• @home-assistant close Closes the pull request.
• @home-assistant rename Awesome new title Renames the pull request.
• @home-assistant reopen Reopen the pull request.
• @home-assistant unassign frontend Removes the current integration label and assignees on the pull request, add the integration domain after the command.
• @home-assistant add-label needs-more-information Add a label (needs-more-information, problem in dependency, problem in custom component) to the pull request.
• @home-assistant remove-label needs-more-information Remove a label (needs-more-information, problem in dependency, problem in custom component) on the pull request.