fix(deps): update junit-framework monorepo to v6 (#3259)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

gradle/libs.versions.toml

diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 0b7d34b..7b3873f 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -37,8 +37,8 @@
 # environment variable
 janino = "org.codehaus.janino:janino:3.1.12"
 # Testing libraries
-junit5-jupiter = "org.junit.jupiter:junit-jupiter:5.14.3"
-junit5-platform-launcher = "org.junit.platform:junit-platform-launcher:1.14.3"
+junit5-jupiter = "org.junit.jupiter:junit-jupiter:6.0.3"
+junit5-platform-launcher = "org.junit.platform:junit-platform-launcher:6.0.3"
 assertj = "org.assertj:assertj-core:3.27.7"
 sarif4k = "io.github.detekt.sarif4k:sarif4k:0.6.0"
 jimfs = "com.google.jimfs:jimfs:1.3.1"

ktlint-ruleset-template/build.gradle.kts

diff --git a/ktlint-ruleset-template/build.gradle.kts b/ktlint-ruleset-template/build.gradle.kts
index 558677f..56bc975 100644
--- a/ktlint-ruleset-template/build.gradle.kts
+++ b/ktlint-ruleset-template/build.gradle.kts
@@ -34,10 +34,10 @@
     implementation("com.pinterest.ktlint:ktlint-cli-ruleset-core:1.8.0")
     implementation("com.pinterest.ktlint:ktlint-rule-engine-core:1.8.0")
 
-    testImplementation("org.junit.jupiter:junit-jupiter:5.14.3")
+    testImplementation("org.junit.jupiter:junit-jupiter:6.0.3")
     // Since Gradle 8 the platform launcher needs explicitly be defined as runtime dependency to avoid classpath problems
     // https://docs.gradle.org/8.12/userguide/upgrading_version_8.html#test_framework_implementation_dependencies
-    testImplementation("org.junit.platform:junit-platform-launcher:1.14.3")
+    testImplementation("org.junit.platform:junit-platform-launcher:6.0.3")
     testImplementation("org.slf4j:slf4j-simple:2.0.17")
     testImplementation("com.pinterest.ktlint:ktlint-test:1.8.0")
 }