workspace.supportScheme was [removed in `v3.6.8`](https://github.com/LuaLS/lua-language-server/blob/16b9ce9bafbf0f432ab7d1d063e2f18b1ed0c947/changelog.md?plain=1#L196) as [pointed out](https://github.com/LuaLS/lua-language-server/issues/2317#issuecomment-1712665846) by @checkraisefold.
