chore: version 2026.9.28.1 in both places (mcpp.toml and MCPP_VERSION)

Author: speak-agent

CHANGELOG.md

@@ -3,7 +3,7 @@
 > 本文件追踪 `mcpp-community/mcpp` 公开仓的版本演进。
 > 格式参考 [Keep a Changelog](https://keepachangelog.com/zh-CN/1.1.0/)。
 
-## [2026.9.27.2] - 2026-09-27
+## [2026.9.28.1] - 2026-09-28
 
 ### 缺陷修复（#726）
 

mcpp.toml

@@ -1,6 +1,6 @@
 [package]
 name        = "mcpp"
-version = "2026.9.27.2"
+version = "2026.9.28.1"
 description = "Modern C++ build & package management tool"
 license     = "Apache-2.0"
 authors     = ["mcpp-community"]

modules/versioning/src/version.cppm

@@ -31,6 +31,6 @@ import std;
 
 export namespace mcpp {
 
-inline constexpr std::string_view MCPP_VERSION = "2026.9.27.1";
+inline constexpr std::string_view MCPP_VERSION = "2026.9.28.1";
 
 } // namespace mcpp