feat(return): Updated return to have info for stash list

lua/neogit/lib/git/stash.lua

@@ -7,6 +7,7 @@ local M = {}
 
 ---@class StashEntry
 ---@field stash_id string the id of the stash i.e. stash@{7}
+---@field rel_date string relative timestamp
 ---@field message string the message associated with each stash.
 
 local function perform_stash(include)
@@ -129,7 +130,13 @@ function M.register(meta)
     state.stashes.items = util.map(M.list(), function(line)
       local idx, message = line:match("stash@{(%d*)}: (.*)")
 
+      ---@class StashEntry
       return {
+        rel_date = cli.log
+          .max_count(1)
+          .format("%cr")
+          .args("stash@{" .. idx .. "}")
+          .call({ hidden = true }).stdout[1],
         idx = tonumber(idx),
         name = line,
         message = message,