Bump fastjson from 1.2.76 to 1.2.83

Bumps [fastjson](https://github.com/alibaba/fastjson) from 1.2.76 to 1.2.83.
- [Release notes](https://github.com/alibaba/fastjson/releases)
- [Commits](https://github.com/alibaba/fastjson/compare/1.2.76...1.2.83)

---
updated-dependencies:
- dependency-name: com.alibaba:fastjson
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -25,7 +25,7 @@
         <swagger.version>2.9.2</swagger.version>
         <mybatis-spring-boot.version>2.1.4</mybatis-spring-boot.version>
         <pagehelper.boot.version>1.3.0</pagehelper.boot.version>
-        <fastjson.version>1.2.76</fastjson.version>
+        <fastjson.version>1.2.83</fastjson.version>
         <oshi.version>5.6.0</oshi.version>
         <jna.version>5.7.0</jna.version>
         <commons.io.version>2.5</commons.io.version>