chore(deps): bump fastjson2 from 2.0.30 to 2.0.31

Bumps [fastjson2](https://github.com/alibaba/fastjson2) from 2.0.30 to 2.0.31.
- [Release notes](https://github.com/alibaba/fastjson2/releases)
- [Commits](https://github.com/alibaba/fastjson2/compare/2.0.30...2.0.31)

---
updated-dependencies:
- dependency-name: com.alibaba.fastjson2:fastjson2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...
Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -75,7 +75,7 @@
         <druid.version>1.2.17</druid.version>
         <easyexcel.version>3.3.1</easyexcel.version>
         <fastjson.version>1.2.83</fastjson.version>
-        <fastjson2.version>2.0.30</fastjson2.version>
+        <fastjson2.version>2.0.31</fastjson2.version>
         <guava.version>31.1-jre</guava.version>
         <guice.version>5.1.0</guice.version>
         <hutool.version>5.8.18</hutool.version>