Bump fastjson from 1.2.68 to 1.2.83

Bumps [fastjson](https://github.com/alibaba/fastjson) from 1.2.68 to 1.2.83.
- [Release notes](https://github.com/alibaba/fastjson/releases)
- [Commits](alibaba/fastjson@1.2.68...1.2.83)

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

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

Author: dependabot[bot]

pom.xml

@@ -26,7 +26,7 @@
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
         <spring-cloud.version>Greenwich.SR3</spring-cloud.version>
-        <fastjson.version>1.2.68</fastjson.version>
+        <fastjson.version>1.2.83</fastjson.version>
         <apollo.version>1.5.1</apollo.version>
         <alibaba-cloud.version>2.1.1.RELEASE</alibaba-cloud.version>
         <nacos.version>2.1.1.RELEASE</nacos.version>