seleniumbase-rs 0.1.1

Windows fixes from a second round of runs on a Windows 11 PC (Chrome 154 and
155, Edge 155, Firefox 153). There, formatting, clippy, the whole test suite,
the real-Chrome tests, Edge, Firefox and the Tauri 3 installer build now pass.

Fixed

• The browser version on Windows comes from the chrome.exe (or msedge.exe)
  that really runs, read from its file version: while an update waited for a
  restart, the newest version folder named a Chrome that was not running yet and
  the wrong chromedriver was fetched. The folder rule also skips a waiting update.
• Download folders are handed to Chrome as plain C:\... paths, not with the
  \\?\ prefix canonicalize adds on Windows; a blob: download was cancelled.
• The tests that list processes with pgrep skip those checks on Windows.

Added

• rust-toolchain.toml, so rustup uses Rust 1.99 in the repository by itself.
• The Windows status in docs/platforms.md. Known gap: on Windows nothing ends a
  browser whose program was killed (macOS and Linux have a process-group watcher).