nvim: after/ftplugin/rust: Update makeprg

`--all` is deprecated and is just an alias to `--workspace`.

nvim/.config/nvim/after/ftplugin/rust.lua

@@ -4,7 +4,7 @@ local ra_config = lsp_utils.ra_config()
 vim.lsp.start(ra_config)
 
 vim.cmd.compiler('cargo')
-vim.bo.makeprg = 'cargo build --all'
+vim.bo.makeprg = 'cargo build --workspace'
 
 vim.keymap.set('n', 'cbb', ":Dispatch! cargo build<CR>"     , { noremap=true, buffer=0 })
 vim.keymap.set('n', 'cbc', ":Dispatch! cargo clean<CR>"     , { noremap=true, buffer=0 })

nvim/.config/nvim/after/ftplugin/zig.lua

@@ -3,6 +3,8 @@ local zls_config = lsp_utils.zls_config()
 
 vim.lsp.start(zls_config)
 
+vim.cmd.compiler('zig_build')
+
 vim.api.nvim_create_autocmd({ "BufReadPre", "BufWinEnter" }, {
   pattern  = { "*/lib/zig/*" },
   callback = function()