Update dependency org.junit.jupiter:junit-jupiter to v5.11.4

Author: renovate[bot]

backend/build.gradle

@@ -55,7 +55,7 @@ dependencies {
 	implementation 'me.paulschwarz:spring-dotenv:4.0.0'
 
 	testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
-    testImplementation 'org.junit.jupiter:junit-jupiter:5.8.1'
+    testImplementation 'org.junit.jupiter:junit-jupiter:5.11.4'
 	testImplementation 'org.awaitility:awaitility:4.2.2'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 	testImplementation 'org.springframework.security:spring-security-test'