Bump fastjson from 1.2.78 to 1.2.83 in /client (#458)

Bumps [fastjson](https://github.com/alibaba/fastjson) from 1.2.78 to 1.2.83.
- [Release notes](https://github.com/alibaba/fastjson/releases)
- [Commits](alibaba/fastjson@1.2.78...1.2.83)

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

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Co-authored-by: Anqi <anqi.wang@vesoft.com>

client/pom.xml

@@ -21,7 +21,7 @@
         <commons-codec.version>1.13</commons-codec.version>
         <commons-pool2.version>2.2</commons-pool2.version>
         <servlet.version>3.0.1</servlet.version>
-        <fastjson.version>1.2.78</fastjson.version>
+        <fastjson.version>1.2.83</fastjson.version>
         <bouncycastle.version>1.69</bouncycastle.version>
     </properties>