spring-framework v5.3.38

## ⭐ 新功能

- 高效处理条件HTTP请求 [#33378](https://github.com/spring-projects/spring-framework/issues/33378)

## 🐞 Bug 修复

- 修复错误的弱ETag验证 [#33377](https://github.com/spring-projects/spring-framework/issues/33377)
- `SimpleEvaluationContext` 未强制执行只读语义 [#33320](https://github.com/spring-projects/spring-framework/issues/33320)
- `ConversionService` 无法将原始数组转换为 `Object[]` [#33314](https://github.com/spring-projects/spring-framework/issues/33314)
- SpEL `Indexer` 在设置属性为索引失败时静默忽略 [#33312](https://github.com/spring-projects/spring-framework/issues/33312)
- Mockito mock 在使用AspectJ切面时错误地初始化为CGLIB代理 [#33142](https://github.com/spring-projects/spring-framework/issues/33142)
- "file:." 无法解析为 `java.nio.file.Path`（而普通的 "." 值解析为类路径根目录） [#33140](https://github.com/spring-projects/spring-framework/issues/33140)

## 📔 文档

- Spring Framework文档中注解驱动监听器端点部分的拼写错误 [#33052](https://github.com/spring-projects/spring-framework/issues/33052)
- Spring Framework文档中容器扩展点部分引用了错误的属性名称 [#33039](https://github.com/spring-projects/spring-framework/issues/33039)
- `ApplicationContextEvent` 的javadoc中构造函数详情错误 [#33034](https://github.com/spring-projects/spring-framework/issues/33034)

## 🔨 依赖升级

- 升级到Reactor 2020.0.47 [#33322](https://github.com/spring-projects/spring-framework/issues/33322)