feat(tag): 支持从多个配置文件读取版本并交互选择

将 `read_project_version` 重构为 `read_project_versions`，支持从 Cargo.toml、package.json、pyproject.toml 等多个配置文件同时读取版本。当检测到多个版本时，提供交互式选择界面让用户决定使用哪个版本。

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "quicommit"
-version = "0.5.0"
+version = "0.5.5"
 edition = "2024"
 authors = ["Sidney Zhang <zly@lyzhang.me>"]
 description = "A powerful Git assistant tool with AI-powered commit/tag/changelog generation"
@@ -47,6 +47,7 @@ tracing-subscriber = { version = "0.3", features = ["env-filter", "fmt"] }
 # Utilities
 chrono = { version = "0.4", features = ["serde"] }
 regex = "1.10"
+roxmltree = "0.20"
 lazy_static = "1.4"
 colored = "2.1"
 handlebars = "5.1"