chore(dependabot): ignore junit-jupiter >= 6.0.0

Author: mjeanroy

.github/dependabot.yml

@@ -17,3 +17,6 @@ updates:
     # mockito-core >= 5.0.0 requires Java 11
     - dependency-name: org.mockito:mockito-core
       update-types: ["version-update:semver-major"]
+    # junit-jupiter >= 6.0.0 requires Java 17
+    - dependency-name: org.junit.jupiter:junit-jupiter
+      update-types: [ "version-update:semver-major" ]