fix: make version optional in release workflow and update rpm spec

1. Changed version input from required to optional in GitHub workflow to
allow more flexible release process
2. Updated rpm spec file formatting for consistency
3. Added %{?dist} macro to Release field for better compatibility with
different distributions

fix: 使版本号在发布工作流中可选并更新 rpm 规范

1. 将 GitHub 工作流中的版本输入从必选改为可选，以实现更灵活的发布流程
2. 更新 rpm 规范文件格式以提高一致性
3. 在 Release 字段中添加 %{?dist} 宏以提高与不同发行版的兼容性

Author: 18202781743

.github/workflows/call-auto-release.yml

@@ -5,7 +5,7 @@ on:
       version:
         description: 'Release version (e.g., 1.0.0)'
         type: string
-        required: true
+        required: false
       name:
         description: 'The name of the person to release the version'
         type: string

rpm/qt5platform-plugins.spec

@@ -4,8 +4,8 @@
 %endif
 
 Name:           dde-qt5platform-plugins
-Version: 5.7.17
-Release: 1
+Version:        5.7.17
+Release:        1%{?dist}
 Summary:        Qt platform plugins for DDE
 License:        GPLv3
 URL:            https://github.com/linuxdeepin/deepin-desktop-schemas