Bump org.junit.jupiter:junit-jupiter-api from 5.9.0 to 5.9.3

Bumps [org.junit.jupiter:junit-jupiter-api](https://github.com/junit-team/junit5) from 5.9.0 to 5.9.3.
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit5@r5.9.0...r5.9.3)

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

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

build.gradle

@@ -59,7 +59,7 @@ subprojects {
         testImplementation("org.spockframework:spock-core:${spockVersion}") {
             exclude module: "groovy-all"
         }
-        testImplementation "org.junit.jupiter:junit-jupiter-api:5.9.0"
+        testImplementation "org.junit.jupiter:junit-jupiter-api:5.9.3"
         testRuntimeOnly "org.slf4j:slf4j-jdk14:${slf4jVersion}"     // Runtime implementation of slf4j for tests
     }