Update dependency org.junit:junit-bom to v5.13.4 (#183)

This PR contains the following updates:

| Package | Change | Age | Confidence |
|---|---|---|---|
| [org.junit:junit-bom](https://junit.org/)
([source](https://redirect.github.com/junit-team/junit-framework)) |
`5.13.3` -> `5.13.4` |
[![age](https://developer.mend.io/api/mc/badges/age/maven/org.junit:junit-bom/5.13.4?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/org.junit:junit-bom/5.13.3/5.13.4?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

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pom.xml

@@ -55,7 +55,7 @@
         <ai-mocks.version>0.4.6</ai-mocks.version>
         <awaitility.version>4.2.2</awaitility.version>
         <finchly.version>0.1.1</finchly.version>
-        <junit.version>5.13.3</junit.version>
+        <junit.version>5.13.4</junit.version>
         <kotest.version>5.9.1</kotest.version>
         <kotlinx-coroutines.version>1.10.2</kotlinx-coroutines.version>
         <langchain4j.version>1.1.0</langchain4j.version>