Update dependency org.junit.jupiter:junit-jupiter-api to v5.13.4 (#138)

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

Author: renovate[bot]

gradle/libs.versions.toml

@@ -9,7 +9,7 @@ jakarta-inject = "1.0.5"
 jakarta-mail = "1.6.7"
 jakarta-servlet = "4.0.4"
 jsr305 = "3.0.2"
-junit5 = "5.8.2"
+junit5 = "5.13.4"
 opensaml = "2.6.4"
 org-json = "20250107"
 org-reflections = "0.9.11"