Add an env var for minimal length of vaultwarden vault passwords

Vaultwarden Support String N/A Vaultwarden Build Version 1.32.0 Deployment method Official Container Image Custom deployment method _No response_ Reverse Proxy N/A Host/Server Operating System Linux Operating System Version _No response_ Clients Web Vault, Browser Extension, CLI, Desktop, Android, iOS Client Version _No response_ Steps To Reproduce When creating a vault there is no way to force a minimun length for passwords Expected Result An environment variable where I can say that password for a vault must be at least 12 characters. 0 or not specified for the same behaviour as current. Actual Result Refuse password of length less than specified Logs _No response_ Screenshots or Videos _No response_ Additional Context NIST has recently updated guidelines with only the length left as constraint, see below for more Verifiers and CSPs SHALL require passwords to be a minimum of eight characters in length and SHOULD require passwords to be a minimum of…