Update build.gradle

Author: yeikel

api/build.gradle

@@ -14,6 +14,7 @@ dependencies {
     implementation project(":contract")
     implementation project(":serde-api")
     implementation libs.spring.starter.webflux
+    implementation(libs.spring.starter.security
     implementation libs.spring.starter.actuator
     implementation libs.spring.starter.logging
     implementation libs.spring.starter.oauth2.client