feat!: remove --preview flag from Ruff server (#3241)

Author: dhruvmanila

lua/lspconfig/server_configurations/ruff.lua

@@ -8,7 +8,7 @@ local root_files = {
 
 return {
   default_config = {
-    cmd = { 'ruff', 'server', '--preview' },
+    cmd = { 'ruff', 'server' },
     filetypes = { 'python' },
     root_dir = util.root_pattern(unpack(root_files)) or util.find_git_ancestor(),
     single_file_support = true,
@@ -18,22 +18,29 @@ return {
     description = [[
 https://github.com/astral-sh/ruff
 
-A Language Server Protocol implementation for Ruff, an extremely fast Python linter and code formatter, written in Rust. It can be installed via pip.
+A Language Server Protocol implementation for Ruff, an extremely fast Python linter and code formatter, written in Rust. It can be installed via `pip`.
 
 ```sh
 pip install ruff
 ```
 
-_Requires Ruff v0.3.3 or later._
+**Available in Ruff `v0.4.5` in beta and stabilized in Ruff `v0.5.3`.**
 
-This is the new Rust-based version of the original `ruff-lsp` implementation. It's currently in alpha, meaning that some features are under development. Currently, the following capabilities are supported:
+This is the new built-in language server written in Rust. It supports the same feature set as `ruff-lsp`, but with superior performance and no installation required. Note that the `ruff-lsp` server will continue to be maintained until further notice.
 
-1. Diagnostics
-2. Code actions
-3. Formatting
-4. Range Formatting
+Server settings can be provided via:
 
-Please note that the `ruff-lsp` server will continue to be maintained until further notice.
+```lua
+require('lspconfig').ruff.setup({
+  init_options = {
+    settings = {
+      -- Server settings should go here
+    }
+  }
+})
+
+Refer to the [documentation](https://docs.astral.sh/ruff/editors/) for more details.
+```
 
   ]],
     root_dir = [[root_pattern("pyproject.toml", "ruff.toml", ".ruff.toml", ".git")]],