chore: rename <C-T> to <C-t> for consistency (nvim-lua#719)

init.lua

@@ -456,7 +456,7 @@ require('lazy').setup({
 
           -- Jump to the definition of the word under your cursor.
           --  This is where a variable was first declared, or where a function is defined, etc.
-          --  To jump back, press <C-T>.
+          --  To jump back, press <C-t>.
           map('gd', require('telescope.builtin').lsp_definitions, '[G]oto [D]efinition')
 
           -- Find references for the word under your cursor.