Bump fastjson from 1.2.51 to 1.2.83

Bumps [fastjson](https://github.com/alibaba/fastjson) from 1.2.51 to 1.2.83.
- [Release notes](https://github.com/alibaba/fastjson/releases)
- [Commits](https://github.com/alibaba/fastjson/compare/1.2.51...1.2.83)

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

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/pom.xml b/pom.xml
index af62c4b..eab23fc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -85,7 +85,7 @@
             <dependency>
                 <groupId>com.alibaba</groupId>
                 <artifactId>fastjson</artifactId>
-                <version>1.2.51</version>
+                <version>1.2.83</version>
             </dependency>
             <dependency>
                 <groupId>org.slf4j</groupId>