fix(lsp): stop and close timer when Capability is destroyed

runtime/lua/vim/lsp/codelens.lua

@@ -63,6 +63,13 @@ function Provider:new(bufnr)
   return self
 end
 
+---@package
+function Provider:destroy()
+  self:reset_timer()
+  api.nvim_del_augroup_by_id(self.augroup)
+  self.active[self.bufnr] = nil
+end
+
 ---@package
 ---@param client_id integer
 function Provider:on_attach(client_id)