Bump junit-bom from 5.7.2 to 5.9.1

Bumps [junit-bom](https://github.com/junit-team/junit5) from 5.7.2 to 5.9.1.
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit-framework@r5.7.2...r5.9.1)

---
updated-dependencies:
- dependency-name: org.junit:junit-bom
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

build.gradle

@@ -30,7 +30,7 @@ repositories {
 }
 
 dependencies {
-    api platform('org.junit:junit-bom:5.7.2')
+    api platform('org.junit:junit-bom:5.9.1')
     api 'org.junit.jupiter:junit-jupiter-api'
     api 'org.junit.jupiter:junit-jupiter-params'
     api 'javax.json:javax.json-api:1.1.4'