Bump junit-jupiter.version from 5.7.2 to 5.8.1 (zalando#325)

Bumps `junit-jupiter.version` from 5.7.2 to 5.8.1.

Updates `junit-jupiter-engine` from 5.7.2 to 5.8.1
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit5@r5.7.2...r5.8.1)

Updates `junit-jupiter-params` from 5.7.2 to 5.8.1
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit5@r5.7.2...r5.8.1)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pom.xml

@@ -49,7 +49,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
-        <junit-jupiter.version>5.7.2</junit-jupiter.version>
+        <junit-jupiter.version>5.8.1</junit-jupiter.version>
     </properties>
     <dependencyManagement>
         <dependencies>