Utilize checksum on vaultwarden.css

[fliespl]

Prerequisites

• I have searched the existing Closed AND Open Issues AND Discussions
• I have searched and read the documentation

Vaultwarden Support String

1. Currently vaultwarden.css is loaded withaout any cache buster.
2. It means that doing changes requires to instruct users to do hard refresh of cache.
3. Would be nice if it was appended to stylesheet with chekcsum as query string / filename if possible.

Vaultwarden Build Version

1.35.1

Deployment method

Official Container Image

Custom deployment method

No response

Reverse Proxy

haproxy

Host/Server Operating System

Linux

Operating System Version

Debian 13

Clients

Web Vault, Desktop

Client Version

No response

Steps To Reproduce

1. Go to vault page
2. Check network
3. See vaultwarden.css without any cache busting info

Expected Result

new version without hard refresh.

Actual Result

Old version without hard refresh.

Logs

Screenshots or Videos

No response

Additional Context

No response