fix: replace bare except with except Exception in thread_safe_dict_segment#1112

CaralHsi merged 2 commits intoMemTensor:dev-20260224-v2.0.7MemTensor/MemOS:dev-20260224-v2.0.7from

haosenwang1018:fix/bare-excepthaosenwang1018/MemOS:fix/bare-exceptCopy head branch name to clipboard