feat: 添加最新版本获取功能，更新文档示例以展示如何使用最新版本进行部署

trigger-version/examples/latest-version-demo.yml

@@ -0,0 +1,65 @@
+name: Latest Version Demo
+on:
+  push:
+    branches: [ main, develop ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  show-version-info:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0  # 获取完整历史，确保能获取所有标签
+
+      - name: Get Version Info
+        id: version
+        uses: ./trigger-version
+        with:
+          version-prefix: 'v'
+          use-latest-version: true
+
+      - name: Display Version Information
+        run: |
+          echo "=== 版本信息详情 ==="
+          echo "引用类型: ${{ steps.version.outputs.ref-type }}"
+          echo "引用名称: ${{ steps.version.outputs.ref-name }}"
+          echo "完整引用: ${{ steps.version.outputs.full-ref }}"
+          echo ""
+          echo "=== 触发版本信息 ==="
+          echo "是否版本触发: ${{ steps.version.outputs.is-version-trigger }}"
+          echo "触发版本: ${{ steps.version.outputs.trigger-version }}"
+          echo "触发源: ${{ steps.version.outputs.trigger-source }}"
+          echo "版本(横线格式): ${{ steps.version.outputs.version-with-dash }}"
+          echo ""
+          echo "=== 最新版本信息 ==="
+          echo "最新版本: ${{ steps.version.outputs.latest-version }}"
+          echo "最新版本(横线格式): ${{ steps.version.outputs.latest-version-with-dash }}"
+
+      - name: Use Latest Version in Deployment
+        if: steps.version.outputs.latest-version != ''
+        run: |
+          echo "使用最新版本进行部署: ${{ steps.version.outputs.latest-version }}"
+          echo "镜像标签: myapp:${{ steps.version.outputs.latest-version-with-dash }}"
+          
+          # 示例：构建 Docker 镜像
+          # docker build -t myapp:${{ steps.version.outputs.latest-version-with-dash }} .
+          
+          # 示例：设置 Kubernetes 部署
+          # kubectl set image deployment/myapp container=myapp:${{ steps.version.outputs.latest-version-with-dash }}
+
+      - name: Handle No Version Found
+        if: steps.version.outputs.latest-version == ''
+        run: |
+          echo "⚠️ 未找到任何版本标签"
+          echo "这可能是因为："
+          echo "1. 仓库中没有版本标签"
+          echo "2. 版本标签不匹配指定的前缀"
+          echo "3. Git 获取标签失败"
+          echo ""
+          echo "建议："
+          echo "1. 检查仓库是否有版本标签（如 v1.0.0）"
+          echo "2. 确认版本前缀设置正确"
+          echo "3. 确保 fetch-depth: 0 以获取完整历史"