Bump fastjson from 1.2.39 to 1.2.83 in /service-customer

Bumps [fastjson](https://github.com/alibaba/fastjson) from 1.2.39 to 1.2.83.
- [Release notes](https://github.com/alibaba/fastjson/releases)
- [Commits](alibaba/fastjson@1.2.39...1.2.83)

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

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Author: dependabot[bot]

service-customer/pom.xml

@@ -19,7 +19,7 @@
     <properties>
         <producer.vsersion>2.3.0-SNAPSHOT</producer.vsersion>
         <swagger2.version>2.7.0</swagger2.version>
-        <fastjson.version>1.2.39</fastjson.version>
+        <fastjson.version>1.2.83</fastjson.version>
         <mapstruct.version>1.2.0.Final</mapstruct.version>
     </properties>