fix: vim.wait reject non-integer/math.huge now

[phanen]

neovim/neovim#36885

[ziboh]

I encountered an error with the latest nightly version of neovim.

E5108: Lua: ...a\site\pack\core\opt\conform.nvim/lua/conform/runner.lua:699: timeout has no integer representation
stack traceback:
[C]: in function 'wait'
...a\site\pack\core\opt\conform.nvim/lua/conform/runner.lua:699: in function 'format_lines_sync'
...a\site\pack\core\opt\conform.nvim/lua/conform/runner.lua:639: in function 'format_sync'
...ata\site\pack\core\opt\conform.nvim/lua/conform/init.lua:519: in function 'run_cli_formatters'
...ata\site\pack\core\opt\conform.nvim/lua/conform/init.lua:548: in function 'format'
C:\Users\zibo\AppData\Local\Mini/lua/plugins/conform.lua:27: in function <C:\Users\zibo\AppData\Local\Mini/lua/plugins/conform.lua:26>

[stevearc]

Duplicate of #822