Bump slf4j-simple from 1.7.30 to 1.7.31

Bumps [slf4j-simple](https://github.com/qos-ch/slf4j) from 1.7.30 to 1.7.31.
- [Release notes](https://github.com/qos-ch/slf4j/releases)
- [Commits](https://github.com/qos-ch/slf4j/commits)

---
updated-dependencies:
- dependency-name: org.slf4j:slf4j-simple
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -259,7 +259,7 @@
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-simple</artifactId>
-      <version>1.7.30</version>
+      <version>1.7.31</version>
       <scope>test</scope>
     </dependency>
   </dependencies>