修改笔误

* [6. 迁移到生存环境](I. Spring Boot Documentation/6. Moving to production.md)
=>
* [6. 迁移到生产环境](I. Spring Boot Documentation/6. Moving to production.md)

Author: kamma-cc

SUMMARY.md

@@ -6,7 +6,7 @@
     * [3. 第一步](I. Spring Boot Documentation/3. First steps.md)
     * [4. 使用Spring Boot](I. Spring Boot Documentation/4. Working with Spring Boot.md)
     * [5. 了解Spring Boot特性](I. Spring Boot Documentation/5. Learning about Spring Boot features.md)
-    * [6. 迁移到生存环境](I. Spring Boot Documentation/6. Moving to production.md)
+    * [6. 迁移到生产环境](I. Spring Boot Documentation/6. Moving to production.md)
     * [7. 高级主题](I. Spring Boot Documentation/7. Advanced topics.md)
 * [II. 开始](II. Getting started/README.md)
     * [8. Spring Boot介绍](II. Getting started/8. Introducing Spring Boot.md)