Log Message:
texlab: update to 4.0.0.

## [4.0.0] - 25.05.2022

### Added

- Add `--version` command line flag
- Provide pre-built binaries for `aarch64-apple-darwin` architecture \ 
([#591](https://github.com/latex-lsp/texlab/pull/591))
- Autocomplete files based on `\graphicspath` \ 
([#590](https://github.com/latex-lsp/texlab/issues/590))
- Release `texlab` on `crates.io` \ 
([#399](https://github.com/latex-lsp/texlab/issues/399))

### Changed

- _BREAKING_: Use client-side file watching instead of server-side notifications \ 
(`workspace/didChangeWatchedFiles`)
- _BREAKING_: Bump minimum supported Rust version to 1.58.1
- _BREAKING_: Do not use `citeproc-rs` to render citations. Instead, use a \ 
custom approach that tries to resemble the `BibLaTeX` output \ 
([#629](https://github.com/latex-lsp/texlab/pull/629))

### Fixed

- Parse `\subinputfrom` command correctly \ 
([#610](https://github.com/latex-lsp/texlab/pull/610))
- Parse verbatim environments correctly \ 
([#490](https://github.com/latex-lsp/texlab/issues/490))
- Stop capturing stdout when build exits \ 
([#588](https://github.com/latex-lsp/texlab/issues/588))
- Fix parsing of key-value pairs \ 
([#573](https://github.com/latex-lsp/texlab/issues/573))
- Normalize `texlab.rootDirectory` when resolving includes \ 
([#571](https://github.com/latex-lsp/texlab/issues/571))
- Allow optional arguments in environment definitions \ 
([#570](https://github.com/latex-lsp/texlab/issues/570))
- Allow `=` in include paths ([#568](https://github.com/latex-lsp/texlab/issues/568))