nvim: Update treesitter dependencies

Moved rainbow delimiters into dependencies so that it runs with TS
instead of loading TS on its own. Made TS itself more lazy (only loading
on VeryLazy by default).

Run TSUpdate on each run instead of only each build step.

nvim/.config/nvim/lua/plugins/treesitter.lua

@@ -1,7 +1,23 @@
 return {
 	{
 		"nvim-treesitter/nvim-treesitter",
-		build = ":TSUpdate",
+		run = ":TSUpdate",
+		-- show current cursor context at top of buffer
+		-- improves commenting plugin above by using ts
+		dependencies = {
+			{ "romgrk/nvim-treesitter-context", config = true },
+			"JoosepAlviste/nvim-ts-context-commentstring",
+			"RRethy/nvim-treesitter-textsubjects",
+			"windwp/nvim-ts-autotag",
+			"RRethy/nvim-treesitter-endwise",
+			-- rainbow brackets using treesitter
+			{
+				"HiPhish/rainbow-delimiters.nvim",
+				config = function()
+					require("rainbow-delimiters.setup").setup({})
+				end,
+			},
+		},
 		config = function()
 			require("nvim-treesitter.configs").setup({
 				-- one of "all", "maintained" (parsers with maintainers), or a list of languages
@@ -63,7 +79,7 @@ return {
 				filetype = "nu",
 			}
 		end,
-		event = { "BufReadPost", "BufNewFile", "BufWritePre", "VeryLazy" },
+		event = { "VeryLazy" },
 		cmd = {
 			"TSBufDisable",
 			"TSBufEnable",
@@ -83,24 +99,5 @@ return {
 			{ "<leader>si", "<cmd>Inspect<cr>", desc = "treesitter element", silent = true },
 			{ "<leader>sI", "<cmd>InspectTree<cr>", desc = "treesitter tree", silent = true },
 		},
-
-		-- show current cursor context at top of buffer
-		-- improves commenting plugin above by using ts
-		dependencies = {
-			{ "romgrk/nvim-treesitter-context", config = true },
-			"JoosepAlviste/nvim-ts-context-commentstring",
-			"RRethy/nvim-treesitter-textsubjects",
-			"windwp/nvim-ts-autotag",
-			"RRethy/nvim-treesitter-endwise",
-		},
-	},
-	-- rainbow brackets using treesitter
-	{
-		"https://gitlab.com/HiPhish/rainbow-delimiters.nvim",
-		lazy = false,
-		event = { "BufReadPost", "BufNewFile", "BufWritePre", "VeryLazy" },
-		config = function()
-			require("rainbow-delimiters.setup").setup({})
-		end,
 	},
 }