bug: Unsupported operating system: OpenBSD

[ekollof]

Describe the bug

 system: OpenBSD
stack traceback:
        [C]: in function 'error'
        ...al/share/nvim/lazy/avante.nvim/lua/avante/utils/init.lua:46: in function 'get_os_name'
        ...th/.local/share/nvim/lazy/avante.nvim/lua/avante_lib.lua:4: in function 'get_library_path'
        ...th/.local/share/nvim/lazy/avante.nvim/lua/avante_lib.lua:14: in function 'load'
        ...h/.local/share/nvim/lazy/avante.nvim/lua/avante/init.lua:31: in function <...h/.local/share/nvim/lazy/avante.nvim/lua
/avante/init.lua:31>```




### To reproduce

Install the plugin in OpenBSD neovim

### Expected behavior

Working Avante

### Installation method

Use lazy.nvim:
```lua
	{
		"yetone/avante.nvim",
		event = "VeryLazy",
		lazy = false,
		version = false, -- Set this to "*" to always pull the latest release version, or set it to false to update to the latest code changes.
		opts = {
			provider = "copilot",
			auto_suggestions_provider = "copilot",
		},
		-- if you want to build from source then do `make BUILD_FROM_SOURCE=true`
		build = "make",
		-- build = "powershell -ExecutionPolicy Bypass -File Build.ps1 -BuildFromSource false" -- for windows
		dependencies = {
			"stevearc/dressing.nvim",
			"nvim-lua/plenary.nvim",
			"MunifTanjim/nui.nvim",
			--- The below dependencies are optional,
			"echasnovski/mini.pick", -- for file_selector provider mini.pick
			"nvim-telescope/telescope.nvim", -- for file_selector provider telescope
			"hrsh7th/nvim-cmp", -- autocompletion for avante commands and mentions
			"ibhagwan/fzf-lua", -- for file_selector provider fzf
			"nvim-tree/nvim-web-devicons", -- or echasnovski/mini.icons
			"zbirenbaum/copilot.lua", -- for providers='copilot'
			{
				-- support for image pasting
				"HakonHarnes/img-clip.nvim",
				event = "VeryLazy",
				opts = {
					-- recommended settings
					default = {
						embed_image_as_base64 = false,
						prompt_for_file_name = false,
						drag_and_drop = {
							insert_mode = true,
						},
						-- required for Windows users
						use_absolute_path = true,
					},
				},
			},
			{
				-- Make sure to set this up properly if you have lazy=true
				"MeanderingProgrammer/render-markdown.nvim",
				opts = {
					file_types = { "markdown", "Avante" },
				},
				ft = { "markdown", "Avante" },
			},
		},
	},
}

Environment

NVIM v0.10.3
Build type: Release
LuaJIT 2.1.1713484068
Run "nvim -V1 -v" for more info

Repro

vim.env.LAZY_STDPATH = ".repro"
load(vim.fn.system("curl -s https://raw.githubusercontent.com/folke/lazy.nvim/main/bootstrap.lua"))()

require("lazy.minit").repro({
  spec = {
    -- add any other plugins here
  },
})

[linkdom]

This is where the Issue lies:

---@return "linux" | "darwin" | "windows"
M.get_os_name = function()
  local os_name = vim.uv.os_uname().sysname
  if os_name == "Linux" then
    return "linux"
  elseif os_name == "Darwin" then
    return "darwin"
  elseif os_name == "Windows_NT" then
    return "windows"
  else
    error("Unsupported operating system: " .. os_name)
  end
end

I think OpenBSD is not supported currently so it's not a bug.