ci(docker): 改进apt源配置逻辑以处理缺失的sources.list

添加条件判断来处理sources.list文件不存在的情况，创建新的文件并配置HTTPS源
显示当前软件源配置以便调试

.gitea/workflows/docker.yml

@@ -80,8 +80,20 @@ jobs:
           
           # 2. 配置HTTPS源 (避免HTTP连接的GPG问题)
           echo "配置HTTPS软件源..."
-          sed -i 's|http://deb.debian.org|https://deb.debian.org|g' /etc/apt/sources.list
-          sed -i 's|http://security.debian.org|https://deb.debian.org|g' /etc/apt/sources.list
+          if [ -f /etc/apt/sources.list ]; then
+            echo "修改现有的 sources.list..."
+            sed -i 's|http://deb.debian.org|https://deb.debian.org|g' /etc/apt/sources.list
+            sed -i 's|http://security.debian.org|https://deb.debian.org|g' /etc/apt/sources.list
+          else
+            echo "创建新的 sources.list..."
+            cat > /etc/apt/sources.list << EOF
+deb https://deb.debian.org/debian bookworm main
+deb https://deb.debian.org/debian bookworm-updates main
+deb https://deb.debian.org/debian-security bookworm-security main
+EOF
+          fi
+          echo "当前软件源配置:"
+          cat /etc/apt/sources.list
           
           echo "等待 apt/dpkg 锁释放 (unattended-upgrades)..."
           # 等待最多 300 秒让 unattended-upgrades/apt/dpkg 锁释放