fix(action): ensure delete_mark handles uppercase marks

* fix(action): delete_mark can not delete an uppercase named mark which
not in the current buffer

* Update init.lua

Co-authored-by: James Trew <66286082+jamestrew@users.noreply.github.com>

* format and lint

---------

Co-authored-by: James Trew <66286082+jamestrew@users.noreply.github.com>
Co-authored-by: James Trew <j.trew10@gmail.com>

lua/telescope/actions/init.lua

@@ -1463,7 +1463,13 @@ actions.delete_mark = function(prompt_bufnr)
     local bufname = selection.filename
     local bufnr = vim.fn.bufnr(bufname)
     local mark = selection.ordinal:sub(1, 1)
-    local success = pcall(vim.api.nvim_buf_del_mark, bufnr, mark)
+
+    local success
+    if mark:match "%u" then
+      success = pcall(vim.api.nvim_del_mark, mark)
+    else
+      success = pcall(vim.api.nvim_buf_del_mark, bufnr, mark)
+    end
     return success
   end)
 end