chore(deps): bump the test group with 4 updates

Bumps the test group with 4 updates: [org.junit.jupiter:junit-jupiter-api](https://github.com/junit-team/junit-framework), [org.junit.jupiter:junit-jupiter-engine](https://github.com/junit-team/junit-framework), [org.junit.jupiter:junit-jupiter-params](https://github.com/junit-team/junit-framework) and [uk.org.webcompere:system-stubs-core](https://github.com/webcompere/system-stubs).


Updates `org.junit.jupiter:junit-jupiter-api` from 5.13.4 to 6.0.3
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r5.13.4...r6.0.3)

Updates `org.junit.jupiter:junit-jupiter-engine` from 5.13.4 to 6.0.3
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r5.13.4...r6.0.3)

Updates `org.junit.jupiter:junit-jupiter-params` from 5.13.4 to 6.0.3
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r5.13.4...r6.0.3)

Updates `org.junit.jupiter:junit-jupiter-engine` from 5.13.4 to 6.0.3
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r5.13.4...r6.0.3)

Updates `org.junit.jupiter:junit-jupiter-params` from 5.13.4 to 6.0.3
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r5.13.4...r6.0.3)

Updates `uk.org.webcompere:system-stubs-core` from 2.0.3 to 2.1.8
- [Release notes](https://github.com/webcompere/system-stubs/releases)
- [Changelog](https://github.com/webcompere/system-stubs/blob/main/History.md)
- [Commits](webcompere/system-stubs@system-stubs-parent-2.0.3...system-stubs-parent-2.1.8)

---
updated-dependencies:
- dependency-name: org.junit.jupiter:junit-jupiter-api
  dependency-version: 6.0.3
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: test
- dependency-name: org.junit.jupiter:junit-jupiter-engine
  dependency-version: 6.0.3
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: test
- dependency-name: org.junit.jupiter:junit-jupiter-params
  dependency-version: 6.0.3
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: test
- dependency-name: org.junit.jupiter:junit-jupiter-engine
  dependency-version: 6.0.3
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: test
- dependency-name: org.junit.jupiter:junit-jupiter-params
  dependency-version: 6.0.3
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: test
- dependency-name: uk.org.webcompere:system-stubs-core
  dependency-version: 2.1.8
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: test
...

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

Author: dependabot[bot]

build.gradle

@@ -17,7 +17,7 @@ subprojects {
 
     ext {
         grpcVersion = '1.80.0'
-        jupiterVersion = '5.13.4'
+        jupiterVersion = '6.0.3'
         mockitoVersion = '4.11.0'
         nimbusVersion = '10.8'
         shadowVersion = '9.0.0'
@@ -96,7 +96,7 @@ subprojects {
         testRuntimeOnly "org.mockito:mockito-junit-jupiter:${mockitoVersion}"
 
         if (JavaVersion.current() == JavaVersion.VERSION_1_8) {
-            testImplementation "uk.org.webcompere:system-stubs-core:2.0.3"
+            testImplementation "uk.org.webcompere:system-stubs-core:2.1.8"
         } else {
             testImplementation "uk.org.webcompere:system-stubs-core:2.1.8"
         }