nvim/lua/user/vimspector.lua

vim.cmd [[
    sign define vimspectorBP   text=\ ● texthl=ErrorMsg
    sign define vimspectorPC   text=\ ▶ texthl=ErrorMsg linehl=CursorLine
    sign define vimspectorPCBP text=●▶  texthl=ErrorMsg linehl=CursorLine
]]