Bump org.junit.jupiter:junit-jupiter-engine in /generator

Bumps [org.junit.jupiter:junit-jupiter-engine](https://github.com/junit-team/junit5) from 5.12.0 to 5.12.1.
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit5@r5.12.0...r5.12.1)

---
updated-dependencies:
- dependency-name: org.junit.jupiter:junit-jupiter-engine
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

generator/pom.xml

@@ -42,7 +42,7 @@
     <dependency>
       <groupId>org.junit.jupiter</groupId>
       <artifactId>junit-jupiter-engine</artifactId>
-      <version>5.12.0</version>
+      <version>5.12.1</version>
       <scope>test</scope>
     </dependency>
   </dependencies>