Postern 0.2.1

Postern 0.2.1

• Paths are compared in one canonical form and a file URI carries a Windows drive the way
  editors write it, so include trees and the file next to a document resolve on Windows too.
• A configured server that is not there no longer holds up every request for the seconds
  Postgrex waits before it drops a query from its queue. The live oracle takes the connection's
  own notifications instead, so a check answers at once while the server is away, apart from
  the first one after the language server starts, which waits up to two seconds for the
  connection to come up.
• CI and releases build on Elixir 1.20.4 and Erlang/OTP 28.5.0.6, and the suite runs on macOS
  and Windows as well as Linux. mix test alone runs all of it on a fresh clone: the stdio
  tests start their server from the test build, and the transport they need is a setting,
  config :postern, stdio: false, that the test environment turns off.
• A live server's rows about a file no longer crash its check. The oracle's text protocol sends
  a line number as text, and the live diagnostics read it as a number.