litestream-ruby needs update for litestream 0.5.x

[hachi8833]

Current README is out of sync with lite stream 0.5.x https://litestream.io/reference/databases/

$ litestream version
0.5.2

$ litestream --help
litestream is a tool for replicating SQLite databases.

Usage:

	litestream <command> [arguments]

The commands are:

	databases    list databases specified in config file
	ltx          list available LTX files for a database
	replicate    runs a server to replicate databases
	restore      recovers database backup from a replica
	version      prints the binary version


$ litestream wal
Warning: 'wal' command is deprecated, please use 'ltx' instead
2026/02/22 14:31:10 ERROR failed to run error="database path required"

litestream snapshot is and litesteam wal is deprecated unavailable in 0.5.x.

In addition, the latest version of litestream is 0.5.8, but this litestream-rb is pretty older, as well as the homebrew tap version is also a bit older:

$ brew info litestream
==> benbjohnson/litestream/litestream ✔: stable 0.5.2
Streaming replication for SQLite
https://github.com/benbjohnson/litestream
Installed
/opt/homebrew/Cellar/litestream/0.5.2 (6 files, 34.6MB) *
  Built from source on 2026-02-17 at 06:27:55
From: https://github.com/benbjohnson/homebrew-litestream/blob/HEAD/litestream.rb
License: Apache-2.0

Hope this'd be updated 🙏