Bump the junit-jupiter group across 1 directory with 3 updates

Bumps the junit-jupiter group with 2 updates in the /twilio-keycloak-provider directory: [org.junit.platform:junit-platform-engine](https://github.com/junit-team/junit-framework) and [org.junit.jupiter:junit-jupiter](https://github.com/junit-team/junit-framework).


Updates `org.junit.platform:junit-platform-engine` from 1.13.4 to 6.0.0
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](https://github.com/junit-team/junit-framework/commits/r6.0.0)

Updates `org.junit.platform:junit-platform-launcher` from 1.13.4 to 6.0.0
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](https://github.com/junit-team/junit-framework/commits/r6.0.0)

Updates `org.junit.jupiter:junit-jupiter` from 5.13.4 to 6.0.0
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r5.13.4...r6.0.0)

---
updated-dependencies:
- dependency-name: org.junit.platform:junit-platform-engine
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: junit-jupiter
- dependency-name: org.junit.platform:junit-platform-launcher
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: junit-jupiter
- dependency-name: org.junit.jupiter:junit-jupiter
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: junit-jupiter
...

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

Author: dependabot[bot]

twilio-keycloak-provider/build.gradle.kts

@@ -48,9 +48,9 @@ dependencies {
     implementation("com.twilio.sdk:twilio:10.9.2")
 
     // Use JUnit Jupiter for testing.
-    testRuntimeOnly("org.junit.platform:junit-platform-engine:1.13.4")
-    testRuntimeOnly("org.junit.platform:junit-platform-launcher:1.13.4")
-    testImplementation("org.junit.jupiter:junit-jupiter:5.13.4")
+    testRuntimeOnly("org.junit.platform:junit-platform-engine:6.0.0")
+    testRuntimeOnly("org.junit.platform:junit-platform-launcher:6.0.0")
+    testImplementation("org.junit.jupiter:junit-jupiter:6.0.0")
     // In keycloak, slf4j is bridged to jboss-logging. For test runtime here use slf4j-simple.
     testImplementation("org.slf4j:slf4j-simple:2.0.17")
     // To create mock instances