fix a couple warnings

lua/custom/plugins/trouble.lua

@@ -1,6 +1,6 @@
 return {
   'folke/trouble.nvim',
-  requires = 'nvim-tree/nvim-web-devicons',
+  dependencies = { 'nvim-tree/nvim-web-devicons' },
   opts = {},
   keys = {
     { '<leader>d', '<cmd>TroubleToggle<cr>', desc = 'Diagnosis list' },

lua/custom/plugins/utils.lua

@@ -13,17 +13,17 @@ return {
   },
 
   -- rust
-  { 'simrat39/rust-tools.nvim', opt = {} },
+  { 'simrat39/rust-tools.nvim', opts = {} },
   {
     'saecki/crates.nvim',
-    requires = { 'nvim-lua/plenary.nvim' },
-    opt = {},
+    dependencies = { 'nvim-lua/plenary.nvim' },
+    opts = {},
   },
 
   -- testing
   {
     'vim-test/vim-test',
-    fn = { 'javascript', 'typescript', 'javascriptreact' },
+    ft = { 'javascript', 'typescript', 'javascriptreact' },
     config = function()
       vim.cmd [[
         let test#strategy = 'neovim'