build(deps-dev): bump junit.version from 5.11.4 to 5.12.0

Bumps `junit.version` from 5.11.4 to 5.12.0.

Updates `org.junit.jupiter:junit-jupiter-api` from 5.11.4 to 5.12.0
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit5@r5.11.4...r5.12.0)

Updates `org.junit.jupiter:junit-jupiter-engine` from 5.11.4 to 5.12.0
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit5@r5.11.4...r5.12.0)

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

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

pom.xml

@@ -17,7 +17,7 @@
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <argLine>-Xms256m -Dlog.level.no.nav=INFO -Dfile.encoding=${project.build.sourceEncoding}</argLine>
 
-        <junit.version>5.11.4</junit.version>
+        <junit.version>5.12.0</junit.version>
 
         <!-- Sonar felles -->
         <sonar.organization>navikt</sonar.organization>