Bump fastjson from 1.2.79 to 1.2.80

Bumps [fastjson](https://github.com/alibaba/fastjson) from 1.2.79 to 1.2.80.
- [Release notes](https://github.com/alibaba/fastjson/releases)
- [Commits](https://github.com/alibaba/fastjson/compare/1.2.79...1.2.80)

---
updated-dependencies:
- dependency-name: com.alibaba:fastjson
  dependency-type: direct:production
  update-type: version-update:semver-patch
...
Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -49,7 +49,7 @@
         <schbrain-common.version>1.0.4</schbrain-common.version>
 
         <!-- fastjson 被 aliyun 系列 sdk 强依赖,所以定在父 pom,方便统一进行版本管理,方便快速响应 bug 版本升级 -->
-        <fastjson.version>1.2.79</fastjson.version>
+        <fastjson.version>1.2.80</fastjson.version>
 
         <!-- utils -->
         <jsr305.version>3.0.2</jsr305.version>