=> 0.8.3

Includes some refactoring and cleanups for improved testing.

Features:

* Completions can use filterText for completion trigger (@rwols)
* Improved performance applying document edits (@haferburg)
* New configurations for Metals, gopls

Fixes:

(Various small fixes)

Deprecations:

`resolve_completion_for_snippets` setting removed, feature no longer supported.


See https://github.com/tomv564/LSP/releases/tag/0.8.3 for full update details.
