migrate to v3

plugins/init.lua

@@ -1,6 +1,6 @@
 return {
   ["simrat39/rust-tools.nvim"] = {
-    after = {"mason-lspconfig.nvim"},
+    after = { "mason-lspconfig.nvim" },
     config = function()
       require("rust-tools").setup({
         tools = {
@@ -8,7 +8,7 @@ return {
             auto = false
           }
         },
-        server = astronvim.lsp.server_settings "rust_analyzer",
+        server = astronvim.lsp.config "rust_analyzer",
       })
     end,
   },