Update junit-framework monorepo to v6 (major) (#1414)

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This PR contains the following updates:

| Package | Change | Age | Confidence |
|---|---|---|---|
| [org.junit.jupiter:junit-jupiter-engine](https://junit.org/)
([source](https://redirect.github.com/junit-team/junit-framework)) |
`5.14.0` -> `6.0.0` |
[![age](https://developer.mend.io/api/mc/badges/age/maven/org.junit.jupiter:junit-jupiter-engine/6.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/org.junit.jupiter:junit-jupiter-engine/5.14.0/6.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
| [org.junit.jupiter:junit-jupiter-api](https://junit.org/)
([source](https://redirect.github.com/junit-team/junit-framework)) |
`5.14.0` -> `6.0.0` |
[![age](https://developer.mend.io/api/mc/badges/age/maven/org.junit.jupiter:junit-jupiter-api/6.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
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|

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generator/pom.xml

@@ -140,13 +140,13 @@
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-api</artifactId>
-            <version>5.14.0</version>
+            <version>6.0.0</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-engine</artifactId>
-            <version>5.14.0</version>
+            <version>6.0.0</version>
             <scope>test</scope>
         </dependency>
     </dependencies>