www/rustypaste: Update to 0.14.4

ChangeLog: https://github.com/orhun/rustypaste/blob/v0.14.4/CHANGELOG.md

• Remove excessive warning messages when auth tokens are not found
• Return 404 for not exposed endpoints instead of 403
• Disallow blank delete_tokens and auth_tokens
• Bump dependencies

PR: 276344
Reported by: DtxdF@disroot.org (maintainer)