Bump org.junit:junit-bom from 5.13.4 to 6.0.2

Bumps [org.junit:junit-bom](https://github.com/junit-team/junit-framework) from 5.13.4 to 6.0.2.
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r5.13.4...r6.0.2)

---
updated-dependencies:
- dependency-name: org.junit:junit-bom
  dependency-version: 6.0.2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

libwebp-api/build.gradle

@@ -12,7 +12,7 @@ repositories {
 }
 
 dependencies {
-    testImplementation(testFixturesApi(platform('org.junit:junit-bom:5.13.4')))
+    testImplementation(testFixturesApi(platform('org.junit:junit-bom:6.0.2')))
     testImplementation(testFixturesApi('org.junit.jupiter:junit-jupiter'))
     testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
 

libwebp-foreign-jdk21/build.gradle

@@ -11,7 +11,7 @@ repositories {
 }
 
 dependencies {
-    testImplementation platform('org.junit:junit-bom:5.13.4')
+    testImplementation platform('org.junit:junit-bom:6.0.2')
     testImplementation 'org.junit.jupiter:junit-jupiter'
     testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
 

libwebp-jna/build.gradle

@@ -11,7 +11,7 @@ repositories {
 }
 
 dependencies {
-    testImplementation platform('org.junit:junit-bom:5.13.4')
+    testImplementation platform('org.junit:junit-bom:6.0.2')
     testImplementation 'org.junit.jupiter:junit-jupiter'
     testImplementation testFixtures(project(path: ':libwebp-api'))
     testRuntimeOnly 'org.junit.platform:junit-platform-launcher'