Bump assertj-core from 3.22.0 to 3.23.1

Bumps [assertj-core](https://github.com/assertj/assertj-core) from 3.22.0 to 3.23.1.
- [Release notes](https://github.com/assertj/assertj-core/releases)
- [Commits](https://github.com/assertj/assertj-core/compare/assertj-core-3.22.0...assertj-core-3.23.1)

---
updated-dependencies:
- dependency-name: org.assertj:assertj-core
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/pom.xml b/pom.xml
index 70c3208..01c55e1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -312,7 +312,7 @@
       <dependency>
         <groupId>org.assertj</groupId>
         <artifactId>assertj-core</artifactId>
-        <version>3.22.0</version>
+        <version>3.23.1</version>
       </dependency>
       <dependency>
         <groupId>com.google.code.findbugs</groupId>