Bump fastjson from 1.2.70 to 1.2.83 in /tsfile-viewer-web

Bumps [fastjson](https://github.com/alibaba/fastjson) from 1.2.70 to 1.2.83.
- [Release notes](https://github.com/alibaba/fastjson/releases)
- [Commits](https://github.com/alibaba/fastjson/compare/1.2.70...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/tsfile-viewer-web/pom.xml b/tsfile-viewer-web/pom.xml
index eb2c274..7110d8a 100644
--- a/tsfile-viewer-web/pom.xml
+++ b/tsfile-viewer-web/pom.xml
@@ -25,7 +25,7 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<java.version>1.8</java.version>
 		<spring.boot.version>2.2.11.RELEASE</spring.boot.version>
-		<fastjson.version>1.2.70</fastjson.version>
+		<fastjson.version>1.2.83</fastjson.version>
 		<spotless.version>2.4.2</spotless.version>
 	</properties>
 	<dependencies>